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The 3D Printed Marble Machine #3

by Tulio, published

The 3D Printed Marble Machine #3 by Tulio Mar 2, 2016

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Cinema 4d

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Summary

The 3D Printed Marble Machine #3 - Designed by Tulio Laanen
Video: https://www.youtube.com/watch?v=vzHpN0FxvqU&ab_channel=TulioLaanen

The new 3D printed marble machine we have all been waiting for!

Please consider making a donation if you want to support me and my work.
Donate here: http://bit.ly/1GovCl0
Or click on the "tip designer" button.

Check out my other 3D Printed Marble Machines as well:
Website: http://tuliolaanen.com
Video, 3D Printed Marble machine #2 : http://bit.ly/217cgLH
Contact mail: tuliolaanen@gmail.com

Made one yourself? Feel free to upload your photos!

Print Settings

Printer Brand:

Ultimaker

Printer:

Ultimaker 2

Rafts:

No

Supports:

No

Resolution:

0.15mm

Infill:

25%


Notes:

NO SUPPORTS NEEDED!

  • 25% Infill worked best for me.
  • 0.15 mm layer height.

  • Try out the best settings for yourself.

  • 9.5mm (3/8inch) steel ball bearings

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the song in the video is lit what is it called

Thank you very much, I composed it myself especially for this video ;)
So unfortunately is does not have name.
But It's really nice to hear someone likes it ;)

can i print this on .2mm layer height?

Yes definitely! no problem ;)

ok thanks and it should still work properly. I am starting a 3D printing business and i was wondering if someone asked me to print this for them and i charge them for the material is that alright?
I have bee looking into this and trying to find what the guide lines are

How big would I have to scale this to use 12.5mm ball bearing as those are all I currently have. My printers can go to 300x300x400 so printer size shouldn't be an issue

Beautiful design! I printed your design and will post photos.
I found your design on tinkercad, it seems to be copied and posted by someone else.

https://www.tinkercad.com/things/4wgCdTnEIl4-marble-machine

Hey Elvisness,
Nice! Im always Curious to see the photos ;)
Thank you very much for taking the effort to let me know, It's a bit sad how people don't respect creative commons sometimes.
Have a nice day :)

it works awsome thank you so much

@Tulio, I'm thinking to double the scale only on the XY direction (not Z) to lower the slope , so my steel balls/marbles move slower. But will the screw/lifting mechanism still be functioning with ununiforme scaling ?

Excellent design, thankyou very much for sharing this.

@Tulio, Shall people still print this , Or should they wait for version # 4 may be ;-)

It's still worth printing this one. I have been very busy with other projects, but hopefully #4 will be born soon ;)

Thanks for the awesome model it is cool, actually made 2, gave 1 away as a gift. Anybody else have problems with the occasional marble falling off the track? Anyway, doesn't distract from its awesomeness. I featured your model on my latest episode of my youtube show, check it out. https://youtu.be/oD-Pj1d1HEw

Jan 7, 2017 - Modified Jan 7, 2017

@Tulio, I have a large quantity of 13mm steel bearings (from a magnetic construction kit) that I would like to use. Should I print all the parts with the ratio 13/9.5 so that your design will work with the bearings I have?

Great design, BTW. I've always liked the ball run gadgets people make and post on Youtube, so now I can have my own. I'm planning to automate it (from the bottom - wood base). Thanks for sharing!

Dec 30, 2016 - Modified Dec 30, 2016

This thing is very cool, thanks!
Print worked first time with xyzprinting DaVinci 1.0, "good" setting with 25% infill. Took many hours though.
Tough part was finding 10mm ball bearings.
Fortunately, I found some ~9.5 mm bearings.
They work fine although the dial gets tough to turn sometimes, maybe when a ball gets stuck in there or something.
Anyway, this was great!

Printed with no trouble, used beads of propational diameter.

Anyone scaled this to work with 10mm steel balls? By what percentage? I can order 9.5mm from Amazon but already have a lot of 10mm on hand. Not sure how to mathematically determine the correct scale to apply. Planning to print on a Makerbot 5th Gen with Smart Extruder +

i use 10mm with the 100% scale. It works

i use 10mm with the 100% scale. It works

Comments deleted.

I printed this, and love it... Although on the one shoot that has no real curves marbles will occasionally pop out of the track. If/when i reprint this i will adjust this.
Would love to see the original artist retouch this area.

This time all looked OK. ........ in the beginning.....
Unfortunately after 22 hrs (still 4 hrs to go) the printer stopped. No idea why, the Software reported still printing. No warnings no flashing lights etc.

To me it looks like bugs in the firm- and software.....
So I asked XYZ printing for support, so far no answer (support looks like it is sitting in the USA and today is black friday......

The part that came out looked good. but because it is not complete it is still a waste of material.
Will try tomorrow again. Fortunately I had ordered more filament (uses 90 meter and 200 is on a spool) should come in next week.

i've had nearly the same problem, but other Printer. My Solution was to flaten the top of the 90% print with sand paper, then i've printed the last 10% with a separate file by setting the offset of the model to -90% height and glued them together with "Tamiya Cement for ABS" and it seems to be strongly glued. my kids can't break it.

How long did this take to print, and how much filament?

Mind boggling design. How much fun. Thanks.
About half way through printing the x y center shifted about 1/2 an inch and continued to print with the offset center. Beautiful design but skewed. Did my Repetier slicer hiccup at the 38 mm level?
32 hrs, 42 minutes at .25 infill, 1.5 layer height on Monoprice select PLA clear at .5 speed.
Thoughts?

I have the same printer and the exact same happened to my print

I like the design and I am trying to print it as a Xmas present for my grandson.

In the first run I had to stop the print because of serious warping. It was lifting up the blue scotch tape from the bed. (I habe no heated bed).
Now I am in the second try using a raft and a strong "construction lamp" shining on the bed to heat it up a bit.
I will let you know the result.

Anyhow thanks for your design and sharing it.

I printed one and it came out great. Actually put a stepper motor on top and was able to automate it.

Comments deleted.
Nov 6, 2016 - Modified Nov 6, 2016

Just finished mine. It cam out perfect! Wife loves it. Thanks for sharing this. Flashforge Dreamer, .2 layer height, 25% infill, ABS

You should make marbels the right size for this because not all people have marbels the right size for this i know i dont

Try going to hardware store and buying ball bearings of the size you want.

Here's A HUGE tip!!! If you want this to work with your standard marble, then scale it by at least 117.5%
I was stupid and I printed this thing without looking at the description. He clearly states it's made for small ball bearings.

Hope this helped! :P ;)
-Matthew

Jan 12, 2017 - Modified Jan 12, 2017
Mktitan - in reply to Matthew813

I was even more stupid and didnt read that it didnt need supports. Im about 70% done at this point. Cant wait to remove all of that wasted material!!

Hello Tulio, it would be better to print on PLA or ABS I would like to make your creation as I see very very funny truth :)

Hey there,
That it completely up to you, I always use PLA but ABS should work as well.
You can search what the different properties are, but both will do the job just fine :)
Succes printing!

I use ABS and just learning PLA - - - ABS works just fine

I'm a total newbie in 3D printing. I'm wondering if a scaled down version can be printed, sized for BB's (candy balls, etc)? If yes, what do you suggest for percentage of shrink and or other considerations? Fantastic design! what tool did you model in?

If you're scaling down, be sure to check the sliced model before starting. If you have thin parts in the original, they may disappear if they get reduced in size smaller than the print resolution.

Robert

47% of original size should work for 4.5mm BB.

47% of original size should work for 4.5mm BB.

47% of original size should work for 4.5mm BB.

Hey thank you.
I did all the designing in Cinema 4D. And yes it is possible to scale it down! Take a look at the made models and the remixes, there are a number of smaller (and bigger) ones with some info.
Or you could calculate the amount of shrinking you need yourself. The recommended size is 9.5mm, so do the math! ;)
Succes printing!

Hey thank you.
I did all the designing in Cinema 4D. And yes it is possible to scale it down! Take a look at the made models and the remixes, there are a number of smaller (and bigger) ones with some info.
Or you could calculate the amount of shrinking you need yourself. The recommended size is 9.5mm, so do the math! ;)
Succes printing!

Hi. I printed this and found a fault at the bottom on each of the runs/slides. The ball hits a step. It is as if the central core of the main slide is raised about 5mm? It also means that the holes feeding into the screw are too small.

I think that was by design - - - helps randomize the ball movements - - -

If you consider the arched supports, the cracks occurred about a third of the way up the arch. In one case you could see the squeezed part on the arch, where the separation caused the upper part of the arch to rise while it was being printed. In other cases it seemed to break after the trach that was supported had partially printed.

Here is the good part. It all works, The cracks didn't affect the track. All the tracks work, and the mechanism, also printed in ABS but with 100% infill. The fit of the screw to the turning disk was amazing. it snapped together and held nicely.

I may "fix" the cracks with a 3d pen.

With a 0.2mm layer height, and 25% infill it took about 28 hours to print on my reprap. I will post pics.

Nice to hear it worked out fine in the end.
Im curious to see the pictures, because I never experienced cracks in the way you describe.

Sep 18, 2016 - Modified Sep 18, 2016

I just printed this, it came out awesome. It is my fourth print. It is flawless. It is Abs and it took about 16 hours. I printed all the parts together, is that wrong? It worked. I need to get a ball now. I need to trim/file the triangle at the top of the spiral. I can't fit it in the cap, but not a big deal, It works! Thanks!

Three more cracks - and the track does not seem compromised - although there has also been a power blip of a fraction of a second that didn't stop the print - and did stop my other printer which was printing the center screw for the third time.

I got the cracks also - - - it was because of a filament feed problem - - - cause the printer head to skip position just a little bit

I am printing the track on a reprap. with a 25% infill and 0.4mm nozzle, 0.2mm layer height. Material is ABS. Somewhere after the 3 cm height a couple of fractures occurred in the archways. That area of the print lifted up and compressed some of the support above that, but didn't affect the track, so I am allowing the print to continue.

I guess I should have stuck with PLA. The stresses that build up in an ABS print are just too much. I am slicing with Cura, it does not allow for a "high skirt" to stop drafts that I know of. If it finishes I will post the pics including the cracks.

Had to pause it ~50% (using octoprint) overnight, since my son sleeps in this room. I haven't paused prints yet, so let's see if 14 hours of printing will go to trash or not in the morning =)

You can afford a 3D printer but you don't have enough living space to not torture your kid's sleep? #Priorities

Anyway, it's possible that letting the filament sit in the hot end for hours will burn it in there and possibly ruin your nozzle. What ended up happening?

What an unkind and unnecessarily personal comment. Reported and blocked.

I've finished my print successfully. I've cooled down the nozzle during the night.

And about your first "question". It appears to be that I do have $500 for 3D printer and not yet $800,000 - $1,000,000 to buy an apartment. Nether do I have have ~$700 per week to rent a bigger living space. So, yeah, you might be right my #Priorities are way off ... And those $ are even not US one, but AUD which is 1.5 more expensive.
Be careful next time making such comments. It wasn't nice.

Glad to read you printed it successfully,
And I think you can never go wrong with buying a 3D printer. ins't it awesome It makes imaginations reality just like that. That must be the best thing ever for a kid ;)

Have a nice day, I hope you and your son enjoy my marble machine!
Tulio

Tulio, thank you very much for kind words and for your design. It is very cool. Now we need to buy some proper balls and spin it, spin it! =)

Probably was a good idea to turn it off over night, I have been known to stare at my printer for hours while it runs lol.

Hey this design is one of the best 3d printables I have ever seen in my life, can you give me some tips?

Thank you for the nice compliment,
What do you want tips about?
If you have any question feel free to pm me.

printed at 85%n scaling and added image to Made (wouldn't let me upload video, only still image). Recommend doing the turn cap at 100% in-fill. I had it break twice (15% infill and 25% infill) twisting off the part that inserts into the spiral. Hardest thing was finding steel balls!

I wanted to test before purchase. Found them at a bearings outlet - the guy who worked there was quite amused when I pulled out the machine and showed him how it worked.

only I got sling shot - - ammo - - - and is 0.35 instead of 3/8 to my surprise - - works fine except sometimes on of the balls get loose and take off - - - as planning one a couple I got 125 for about $6.

and yes it gives everyone a surprise and a kind of oh wow. think I might just wonder by the local hardware store, they know me and have seen what I have printed before - - - this should cause some reaction - - - -

so many balls going in so many directions - - and coming out random - - - some I have done with 10 balls and others closer to 20 balls - - at 20 your eyes can not follow the balls - - too many whipping around so fast - - - really a great design - - - Xmas is coming and family members around the country are each getting one - - - and some friends with Grand kids - - - and for upcoming gift exchanges - - -

I had some hanging threads that stopped the balls and had to remove those - - - build problem - - changed a setting in the slicer so that it did the inside before the outside - - - this way it was not knocking the outside loose and it would hang down - - that cured that problem - - using S3D so have done 100 hours of printing Marble machines and have 100 hours more to go. and will be stocked up for the upcoming season - - - -

how big do the marbles need to be? love the print

Thank you very much :)
9.5mm (3/8inch) steel ball bearings would be optimal!

Hello Tulio

I posted the multicoloured Marble Machine a few days ago, this was printed scaled down on my Creality CR7 printer.
I have a newly purchased Creality CR8 printer which has a larger print area.
Tried 6 times to print the Marble Machine on the CR8 but it stops at random times from shortest 2 hours to longest 15 hours.
The printer successfully prints the "Maker Fair Robot" - 20 hours build time.
Is the printer faulty or something in the gcodes which is not compatible with my CR8 printer (I do not have any understanding of gcodes)

Any clues please - John

Hi Tulio!

On my YouTube channel I post a weekly video of a 3D print! I recently got a request to do one on this awesome Marble Machine. I was wondering if there was a way I could get permission from you to do it. Here is my youtube if you'd like to check out some of the prints I've done: https://www.youtube.com/user/ScienceMadeFunner

Hope to hear from you! :)

Hey 'SkyBry',
I just checked out your channel, looks fun! I subbed ;)
Thank you for asking permission. Yes, go ahead and print it, as long as you mention my name with a link in the description I'm completely fine with it :)

Succes printing!

Tulio

Thanks Tulio!

I really apperciate your subscription! I will be more then happy to mention your name and put a link in the description! I love this design! It's already half way done & it looks incredable! :)

Fantastic piece of engineering. Made a multicoloured one on my Creality CR7 - scaled down to 0.814 to fit the build platform, used 8mm steal balls.
Well Done Tulio.

Has anyone printed this with a Printrbot Simple Metal? I just tried, and even though it seems to fit on the build plate in Cura, my machine can't seem to handle it (keeps hitting limit switches etc...). I have never tried to print something this big on my machine, but it's supposed to be able to do 6" x 6" x 6", so this just barely fits. Wondered if anyone else had run into the same problem.

Hi Melary
In Cura - Machine Setting, set the Width, Depth and Height about 5mm less than your printer spec to avoid hitting the limits.

What are the dimensions / size of the final printed model please? Just wondering if it'll fit on the M3D Pro when released next year. Thanks.

Sep 2, 2016 - Modified Sep 2, 2016
Tulio - in reply to jarrah31

You can see the size if you put the model into a some slicer software.
But let me have a look for you.
The size of the track part should be around : 140mm x 140mm x 120mm
If this does not fit, you can always scale the whole thing down a bit, it will still work like normal ;)

Cheers,
Tulio

What size marbles are used for best success??

Thank you very much :)
9.5mm (3/8inch) steel ball bearings would be optimal!

I just printed this. AWESOME. I just need marbles or steel balls to complete. I think a motor that would drive the augar would be a nice addition. Love it!!!!

actually I like the idea of manually turning it - - - more personal interaction and when I show it to people - - it gets more of a reaction when the balls start flowing out in all different directions - - - suddenly - - - - -

Thank you James, I couldn't say it better myself. I could easily have designed it with place for a little driver. But it was a specific choice to not do that. Making an effort to see the balls roll is very satisfying and fun, especially in the long run.

and I totally agree with that - - - - and is something that noticed that you said a couple of months ago - - - -
when I show it off - - I get lots of - - oh, what, wow - - - - best thing that I have made so far.

Great design! Congrats!

Aug 30, 2016 - Modified Aug 30, 2016

After 23.25 hours I can say with certainty This is by far the best marble track I have EVER seen the only thing that I wish was different is super minor but it is the holes, their a little small for most steel balls/marbles but that's not a problem because I'll just order some. Great work!

Thank you for the compliments!
I decided this size would be perfect for a printable object, without the whole thing getting too big / too tight.
But you could always scale it up or down a bit depending on the marbles you want ;)

Have a nice day,
Tulio

I just finished printing the track, it took 35 hours. Once the other parts are printed I'll post my make.

How large is this when finished?

Base diameter is roughly about 143mm (5.63"), height is about 123mm (4.84").

This is genius!
If you continue rotating, all marbles move in all paths!
My cancer is cured now! Thanks man!

Haha thank you!
Glad I could cure cancer, I'm doing my best ;)

Beautiful :)
I hope the #4 won't need the Ultimaker Extedended ;)
What 3D software do you use to create your marble machines?

Thank's a lot for sharing !

Thank you :)
You don't need an Ultimaker extended. I work with a normal Ultimaker 2. (and you cab aways scale it down a bit)
I did everything in 'Cinema 4D'. and I used 'Cura' as slicer.

Have a great day!

wow! the design is crazy!

Thanks
I do my best ;)

Awesome design. You should make one with an electric motor!

Thank you!

I myself like it better if you have to put in some effort to see the balls rolling ;)
But check out the remixed versions, there are some electric visions people made.

Have a nice day!

Your work is amazing and so much fun! :D
Thank you for posting your work here!

I just checked out your page, and it led me to your website.
You have some cool stuff yourself! I like science and mathematics al lot as well, So I can appreciate your designs ^^
Also your view on economics and mathematics interested me. your way of thinking feels relatable ;)
Very nice to read

Thank you very much for saying that ^^

Thank you! :]

Doing something a little crazy. I'm experimenting with a 150mm/s base speed on my UM2+ for this model.

.15, PLA, 220C, 15% infill, 110% extrusion

Going good so far. I'm about 1 hour into a 10.5 hour print.

I'll post results in "Made", if it actually completes. =)

oh nice, yes please let me know how that went.
I've been curious about the fast speed as well :)

Still in progress. A little sample video: https://vid.me/mG9P

I'm doing a timelapse of the print as well. I'll add to my make.

Thank you, I know that UM2 sound all too well haha, Let's hope it won't fail right before the end ;)

My congratulations! What took them so long?
Since they have this new feature i simply had to TIP you :)

Yes I just saw it myself, I did not see that one coming after all this time haha, but better now then never ;)
And thank you very much! ^^
I still really appreciate it!

Well I printed one (took 3 days to print) and went out and bought some marbles today in anticipation of it's first run... and they don't fit, not even close. They were normal 'small' sized glass marbles (~15mm) but they are WAY too big. Not sure where I will find ball bearings the right size, so for now it's just a static ornament. Nice design and I was happy it fit's my 200x200x200 print area. Tough work on my old printer but it came out OK.

Thanks for printing my model :) It says in the description you need 9.5mm (3/8inch) steel ball bearings, that is indeed quite smaller that your average marble ;)
3/8inch is a standart size ballbearing you should be able to find them in your local D.I.Y shop. I always buy them at a specialized bike shop, they often sell ballbearings as well.

An other nice option is to try printing these in the right size: http://www.thingiverse.com/thing:805096
they should work fine, I have seen people use them before ;)

Hope that helps,
Cheers!

Marble - filament joined

this marble maze works like a pro

Nice to hear that, thank you

I played with tweaking this a bit and it was hard! I'm curious how you created it? Like what tools?

I tried printing at .25mm resolution and got stringy bits under the figure 8 loops and a few other places. It almost works for Pachinko balls, but is a little tight.

I love your creation and it's a special order for my son of 7 years ;-) . But how long to print? I started Friday morning (France) Simplify3d displayed 34h42min at startup, it's Saturday night already print 40h and it's not finished! He misses the top floor... Is a crash test for my printer ?? :-)

I am at 48 hours right now on a rep rap, and it's the second one I will have printed. It takes a while, but I keep my print speed slow and quality high.

Comments deleted.
Comments deleted.

Has anyone printed this on a RepRap?

Comments deleted.

LOL MARBLES!!!!!!!!!!

Just printed this thing out last week on the Taz 6. My son loves it!

Here's a time-lapse of the print:

https://www.youtube.com/watch?v=2LzC2sRupCQ

Great! Thank you very much

it stops printing the spiral piece at about 40% of the way through?

Oh thats is weird, maybe something in your settings?

very cool music in video!

Thank You! :)

Hey cool creation! i was wondering, before i print it, how long it will take to print at original 100% scale.

Sorry for a bit of a late reaction. It depends really on the printer you use and the settings you choose. It took me about 30 hours to print, but I have seen people print it in 15 hours or less. ;)
But in general, the faster the lower the quality.

Apr 16, 2016 - Modified Apr 16, 2016

How many perimeters do you use guys or wall thickness?

This is incredible. I wish these were waterslides in real life

I wish that too, my friend ;)

This is most awesome!!!
I was a bit concerned when I saw the print time after slicing, but I went ahead and I'm sure glad I did!!

Every day now, I can't walk past it without working it for a few dozen ball drops! It's really amazing how it will dump balls on one path a bunch of times, then become random. I don't know how you did that!

Awesome machine!
Thanks!

Haha, It is a joy to hear that you enjoy my machine.
Great comment, Thank you

Comments deleted.

İncrebidle idea.

Great work on this design, it is pretty awesome!

I happen to have a supply of 5/16" steel bearings. So for those interested, 5/16" is 83% of 3/8". So, I am printing with scale of 85%, which will cut several hours off the print time and fit the smaller balls I already have in stock. Incidentally, 5/16" is 7.93 mm, so the 85% scale should be good for 8 mm balls as well.

Hey Tulio!
Nice model -as always- I printed it on a Form 2 in clear. it's GORGEOUS!
https://www.youtube.com/watch?v=PaaU4VyIUFk

I love your work maybe try one without the spiral

nice marblemachine, shame about the marble size, check if you can get them before printing, .......

Thank you, it should be a standart ball-bearing size so shouldn't be hard to find. You could also scale it down a bit, so you can use a marble size you like. Check out the remixes of my marble machine.

What size marbles did you use ?? Please Respond!!!

I used 9.5mm (3/8inch) steel ball bearings
( It's in the description by the way ;)

I think this would be great for my wife's desk when she has patients in her office. The tactile, visual and auditory stimulation can have a grounding effect, which calms the mind. Thank you. Love your work.

Interesting, thats really cool to hear!
Just out of curiosity, may I ask what profession your wife has?

She's a mental health nurse doing the job of nurse unit manager

Bravo, bravo, bravo, bravissimo!

I printed the #2, about 16 hours of printing, and now i want to print also #3, estimated 29 hours of printing by Cura.

Mar 6, 2016 - Modified Mar 6, 2016
Tulio - in reply to ragle

Grazie mille!
Haha tell me about it,
Printing all the prototypes took me ages ;)
And thank you very much for the kind donation, I really appreciate it!
succes with printing #3

A talent like yours should be encouraged and supported!

I printed three times the #2, one for my little son and another two as a gift for friends.

16 x 3 = 48 hours of printing!!! The extruder was crying. :-)

I'm imagining how it will be the #4...

Mar 6, 2016 - Modified Mar 6, 2016

Your marble designs are awesome! Have you thought about making them use little motors instead of cranks? Can you create modes to raise the base, change the bottom gear and add a motor mount? This would be so cool!
Another helpful suggestion is to add a coin or something to give a better idea of scale when looking at the photos!
Thanks

Mar 6, 2016 - Modified Mar 6, 2016
Tulio - in reply to kingspud

Thanks!
Yes I have considered using motors, but I decided I did not want that. Because my goal was to make the design as simple as possible. And with that I mean, easy printable without supports, and ready to use after printing it. Motors would mean you have to buy a motor and install it etc. I also think a motor decreases the "play value" on the long run.
But then again, motors are awesome too ;)

And in the video you can see my hand (finger) which should be enough for scale, I figured ;)
But thanks for the tips, I appreciate it!
Cheers.

I agree manual is best -- - - - show to people and watch their reaction - - - eye opening - - - ah oh wow

Well done! Have you considered adding it to MyMiniFactory so make it easy to collect tips?

yes, I am definitely considering it ;)

I find this design very innovative! It is one of the several things that I see on Thingiverse that catch my attention, and make me want to print them.

Keep up the amazing work!

Thank you very much, I appreciate you saying that.
I'll try my best ;)

Mar 5, 2016 - Modified Mar 5, 2016

What is the difference between machine_tracks and track?

"Track.stl" is an updated version I uploaded yesterday. It fixed some small issues.

I wish I had waited to hear that I am 17 hours into the print lol

Haha don't worry, there are no visible changes in the model.
If you were able to get it to print, you wont notice any difference.
Cheers

It printed but the second tier supports to the left side (of your signature) cracked off after I removed the print. They were hanging by a thread. I printed it in neon green ABS. I think I need to increase the extruder temp another 5°. Other than that it came out perfect.

I am using a new extruder with a different thermistor and I think it is off by quite a bit. Maybe I have the wrong one selected in firmware.....

Thanks for the cool design my daughter will love this.

Well done sir, will be printing it ASAP!

Nice to hear that, can't wait to see it

Amazing as always. Can't wait for next year's machine. :)

Haha thanks

Absolutely incredible! Very, very nice work!

Thank you!

Comments deleted.
Mar 4, 2016 - Modified Mar 4, 2016

Everything looks awesome but for some reason cura wipes out the holes on the spiral so i end up with two flat ends. I had to run it through netfabb and then the part printed just fine. I'll upload a pic when I get the spiral printed :-).

Thanks, you are right, forgot to align the normals on that one ;)
I re-uploaded the spiral, so it should be good now.
Thanks for the tip!

The tracks STL might not be watertight or have some broken triangles.
When I load it into Simplify3d it gets flatten to 1/3 of the height.

Mar 3, 2016 - Modified Mar 3, 2016
Tulio - in reply to nomukaiki

Thanks for the tip,
I've uploaded a new file named "track.stl"
From what I am seeing, I am sure there are no bad polygons or edges of any kind in there.
could you let me know if it works for you?
If it doesn't, im pretty sure the problem is not in the model. ;)

Its water tight now but still has some self intersecting surfaces where you have put the "designed by Tulio text"
heres a screen grab identifying the issues in red
https://dl.dropboxusercontent.com/u/1644368/Tulio%20marble%20intersecting%20surfaces.jpg

hmm That's weird. I have looked in Cura, Netfabb and Cinema 4D. But cant find any problems anywhere.
So Im not sure whats going on here, I'll keep an eye out if I hear more people having the same problem.
I have re-uploaded the "track.stl" file with one little adjustment, but that doest resemble the problems in your picture.

As far as i know Cura should work perfectly

your 3 D model has a load of issues. Just deal with it and dont suggest its my software . Your model has a ton of self intersecting planes. Whether your willing to admit it or not doesn't alter the facts.
En niet probeer by bij de hand te doen want dat kan ik ook. t'ja 16 jaar in Nederland gewoomde dus je kunt de probleemen oplossen of uitmaken dat het ann mij ligt. De keus is aan jou
Groetjes uit SIngapore.
.

Oke I've re-uploaded "track.stl" once again. Im stil learning as I go with this project. I looked at the problem again tonight, this time with Meshfabb and was able to detect the self intersecting planes like you sad. So hopefully I repaired them now ;)
Thanks for the help, I appreciate it.
Met vriendelijke groetjes terug uit Nederland.

the re upload of "tracks" is a lot better and passes all the tests in 3D max "STL check"
S3D still identifies some self intersecting planes around the text cut out which is weird as i have looked at it in detail in max and cant see anything wrong.
S3D slices it fine and prints are no problem at all

What software do you use to create the models ??
Ive just finished printing the scaled version i made and despite the intersecting planes it sliced (S3D) and printed fine.
Whats weird on your model is that normally the issues arise with curved organic shapes yet yours are fine and the problems are with the text cut outs.
Hoping to print the other parts today and test the 8mm balls
Cheers

Glad to hear slicing worked out this time. I used Cinema 4D to create the models. Which I am used to, and I think works great. The only downside is that its really bad at mesh-checking. So why the problem occurs mostly around the text, I can't tell.
Sounds like something I have to investigate ;)
Cheers

Comments deleted.

hi nice design
however you website says " Takes 0.95 mm (3/8” inch) steel ball bearings" i think you must mean 8mm dia steel balls ??

Hi, thanks
Euhm no, im pretty sure I mean 0.95mm dia balls ;)
(I used ball bearings, but I assume other marbles of the same size would work just fine)

and im absolutely sure you didnt :-)
I think you'd see more people making your model if it used standard 8 , 9 or 10 mm steel balls Something like http://www.banggood.com/50pcs-Wheel-Bearing-Balls-from-4568910MM-p-967092.html for example.

I just happen to have some 8mm steel balls in my work shop so ill be scaling your model to suit and ill post a remix

0.95 mm balls are tiny ;)

3/8" ≠ 0.95mm
3/8" ≈ 9.5mm ≈ 0.95 cm

wow yea, haha that's stupid, did not notice that ;)
0.95 cm was what I meant indeed.
Thanks

Cheers

heres the scaled version to suit 8 mm steel balls
http://www.thingiverse.com/thing:1389413

Tulios marble machine #3 scaled to suit 8mm balls
Mar 6, 2016 - Modified Mar 6, 2016
kingspud - in reply to Phil_Maddox

Hello,
Just learning and love the designs! If you guys could just add a dime or quarter to your photos it would be great so we could get a better idea of scale.
Thanks and great job with the parts and discussion!

I can see how that would be useful for you but we don't all live in America :-)
Yup, just checked my pockets and not a single "dime" or " quarter" in there :-)

Nice! I'll soon print this. How do you design the marble machines?

Awesome design !

thanks!

Hello Tullio,
Congratulations, nice work!
curiosity than software you used to draw this?

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