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Working Stargate Mk2

by Glitch, published

Working Stargate Mk2 by Glitch Jun 2, 2016

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Summary

Estimated print time is 112 hours. There are 117 parts.

This stargate model contains additional pieces to move the top chevron as part of the dialling sequence.

Note: The model is slightly larger than the Working Stargate Mk1. Therefore the SGC base on this model will not hold the Mk1 gate firm. Please use the SGC Ramp for Working Stargate Mk1 http://www.thingiverse.com/thing:1603663

Due to the additional parts for the moving chevron. The space for wires and LED's is much less. I have used surface mount LED's in the model.

Two stepper motors are required for the model. Since the two motors face each other, I have used mounting brackets. If you intend to use a different size motor, you only need to customize the 'stepper_mount_x2.stl' file and not the base.

Besides the Arduino and Adafruit Motor Shield, there is also an optional bracket for an additional circuit board. I have used an additional board to mount the resistors and transistors for the LED's.

The "x" number on the end of the filenames indicate how many times that part should be printed. For instance, "gate_1_a_x8.stl" should be printed eight times.

There is a choice of three types of chevrons.
"chevron_1" is on piece which can be printed as opaque or transparent.
"chevron_2" is three pieces. "a" should be printed opaque and "b" as transparent.
"chevron_3" is three pieces, but is dependant on the print quality. "a" should be printed opaque and "b" as transparent.

In my experience, only the "chevron_4_x9.stl", "rail_l_1_x1.stl" and "rail_r_1_x1.stl" needed to be printed with supports.

Two Arduino scripts are included. "stargate_mk2_full.ino" includes dialling, calibration and light display. "stargate_mk2_dial.ino" includes only dialling and calibration.

Please see the youtube video for a complete assembly guide.
https://youtu.be/6X2FbyxViao

Videos of the Stargate in action

Seven symbol address for Abydos
https://youtu.be/Kvjv6q3YDGc

Eight symbol address for Asgard homeworld.
https://youtu.be/6TiuwvPgPVY

Nine symbol address for Destiny with wrong ninth symbol
https://youtu.be/Wdfw2u-thgw

There are eight videos on my youtube playlist.
https://www.youtube.com/playlist?list=PLv5wdS9O16OsT9xOpAUaj0T6JiPvgujXB

Edit 15th Jan 2017
Some of you have contacted me or commented here about problems slicing the parts. Although all the files worked in Makerbot Desktop, they didn't all work in other programs such as Slic3r.

Producing files that worked in both Makerbot Desktop and Slic3r was slightly more challenging than expected. Files fixed in Slic3r didn't all work in Makerbot Desktop or still had errors when re-imported into Slic3r.

An unlikely application came to the rescue. Files fixed in Microsoft's 3D Builder (included in Windows 10) worked in both Makerbot Desktop and Slic3r. I've run all the files through 3D Builder, even the ones without an issue.

If you've had an issue slicing the files then please download the new ones and try again. Comment here or contact me via my website if you have further issues.

Note: The smaller file size is expected as the files are now in binary not ascii format.

Estimated print time assumes standard quality with raft on Makerbot Replicator 5th Generation.

Custom Section

Electronics

By popular demand. Here's my electronics parts list. Please see the reference circuit diagram.

Note : Components can be swapped with equivalents. Also, LED and resistor values will need to be adjusted appropriately.

1 x Arduino
1 x Adafruit Motor/Stepper/Servo Shield for Arduino
2 x Adafruit Stepper motor - NEMA-17 size - 200 steps/rev, 12V 350mA (one stepper could be replaced with a servo).
27 x Kingbright KPT-1608SECK 2.1V 20mA
8 x Broadcom ASMT-YWB1-NGJB2 - 3.2V 60mA
1 x Lumex SLX-LX5093UWC/C - 3.4V 23mA
10 x BC548 NPN transistor
9 x 220 Ohms resistor
8 x 150 Ohms resistor (150R)
1 x 10K Ohms resistor
1 x 10.2 Ohms resistor (10R2)
1 x Photoresistor / light dependent resistor (I used one from the Arduino starter kit)

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Sorry for being a complete noob but how do you start the sequence?

Regards, Jesper

Hi!

Only the electronics left! have all components but does anyone have some pics of the wiring of the motors, ldr etc?
It would be of great help to get some pics.

Thanks and this work is an amazing peace of art!!!!!!!

Comments deleted.

Glitch, just so ya know man, this project is what made me get into 3D printing. I have been at it for about six months, learned how to use my machine, bought a second machine, and learned how to troubleshoot everything with my machine, just so I can print this. I even learned how to use arduino technology, rasberry pi, LED lighting, soldering, the whole 9 yards, for this. I just got my dedicated roll of filament, and I am starting the print. Now comes the hardest part, finding a place to put it when I am done! Thank you!

Which Arduino did you use? I'm a complete noob to all this, so I'm not sure. I went to Arduino.cc and saw about 20 different boards lol. Also, I looked at your diagram, but couldn't find the info...what specific transistor do I need? Thanks for your help.

I used an arduino uno. The transistors are listed in the model description. BC548 NPN transistor.

Hi!

Really really nice work!!!!
Im making this for my friend as a birthdaygift now and all parts has been printed and everything mounted except for the leds and electronics so far. I wonder if there is someone that has some pictures of how you soldered the leds in the chevrons and so on? The leds are really small and i wonder if you put it on a pcb or just cables?

Thanks in advance!

/Jesper , Sweden

First of all, thanks for sharing this great project!!
I'm currently printing the parts and preparing the electronic components in order to have all parts as soon as I finish printing.

I just have one simple question: are the resistor supposed to be CMS or not?
What about the gauge of the wire you used?

Thanks!

Standard off the shelf components should be fine. We're not talking high precision, just enough resistance to bring the power down for the LED's. I used average through hole resistors and a multi colour ribbon cable.

Thanks for you quick answer :)
Soon, I hope, I will post pictures of my gate :)

I adore this, and I've been making a smaller-scale version with just the moveable track. But there is a problem that nags at the perfectionist in me - because of the way the gate_2 pieces are staggered with the gate_1 pieces, the little spikes on the chevrons are mis-aligned. Looking in Blender shows that the gate_2 pieces are slightly too long/large to align properly. This results in a mismatch on the second 'layer' of the outer ring.

Hi Glitch, I love your model and I have started printing it but I have ran in to an issue that I can't seem to find any comments for which makes me think I may have done something wrong. My printer has a build platform of 200mm x 200mm x 200mm, and the files 'base_l_2_x1' and 'base_r_2_x1' won't fit in that build platform.

Everything else does fit and I notice that base itself was split in to 2 so it could fit on a standard 200x200 platform, what have I done wrong?

Does the software load the file but won't slice? I would check the actual bed dimensions in your software. If your bed actual dimensions are 200x200x200 then the printable area will be somewhat smaller than that.

Question about the electronics. Did you use three LED's to light the chevrons? Was one not bright enough? What kind of circuit board did you use and did you mount all the resistors to it? I know nothing about electronics but am very close to completing this project. Any advice will help.

I have some problems with resulting rings. Ring with all the symbols does not enter on it's place, too big. Is there any documentet design with dimensioning?

Thanks!

Auto-answer. Reply from Glitch is below, on LeoTheDovahkiin (and mine) comments.

Hi,

As far as the electronic components, you are using 30 V 1 A transistors. Can I substitute 25 V 1 A transistors?

Thanks,

Calan

You'll need to check the specs in the data sheet to see if you need to change any resistor values.

This is awesome I'm going to make one.

I'm not going to use Nema 17's though they are way too powerful for something like this.This motor: https://www.sparkfun.com/products/10551 should be sufficient. I will use an Arduino Micro or Leonardo (20 io pins) and do away with a stepper driver. I'm also going to integrate a soundboard. One or two pins should be enough to trigger it with the same sounds in a loop (ie the nine chevrons, wheel turning and the "opening" sound).

Hey glitch when building this the gate pieces don't form a perfect circle, i was thinking to do a support circle to align them when gluing them but i don't know the diameter of the inner circle of the gate. Could you tell me this measurement please?

Same problem here. Circle with all symbols does not enter on it's place, too big. Is there any documentet design with dimensioning?
Thanks!

The inner radius is approx 163mm. However the gate pieces are staggered to provide support.

Comments deleted.

Thanks, I see the staggered feature. Good work!
My problem is that chevron geared circle does not fit in his place. Seems to be with the radius larger than needed.
Once printed and glued it's largen than needed.

I've to investigate on this.

I printed symbols gear at 99,34% of original dimension because resulting gear didn't fit inside. Now it seems to be all OK.

This model is amazing and I am going to make one. I have already ordered most of the parts but I can't find certain ones.
Could you please share your print settings and a link on where you bought the:
27 x Kingbright KPT-1608SECK 2.1V 20mA
8 x Broadcom ASMT-YWB1-NGJB2 - 3.2V 60mA
1 x Lumex SLX-LX5093UWC/C - 3.4V 23mA

I found and ordered everything else but the parts above I can't seem to find in the US. I found one online site but it was for Israel.

I bought the components from http://uk.farnell.com
In the US you could use http://www.newark.com or https://www.digikey.com

You don't have to use the exact same components. If you're unsure then look at the data sheet on the UK site and search for similar components on the US sites.

If you can't find the same voltage/amps you'll need to calculate the resistors. There are a lot of resources online to help you work it out. I've provided the volts, amps and resistors in the description. Try these figures in online calculators to get the same results. You can then adjust the values based on the components available to you.

Thank you very much for the info and a huge thanks for this model. I have loved Stargate since I was a kid and seen every movie/episode of all 3 shows.

I'm going to add sound to this when I'm done with it. Also, I want to find a way to make the actual portal... that is going to be a challenge. lol

Hi everybody!

As anyone managed to get the rc servo working properly on this one? I am struggling to get things correctly, like the original position when connected. It seemed to me a good idea at the beginning but now I'm a bit disappointed. Any help would be appreciated.

I've not used a servo. Is the problem software or mechanical?

Hi Glitch, it's solved. It was a software issue. I'm not a programmer and I don't really know much about C programming but I managed to solve the problem, which in fact wasn't one. I just mixed some code and now it all works great with the servo. Just have to print a new symbol gear and test it again. MY big issue is still glueing all parts. I can't find a decent and affordable glue here in Portugal that can glue PLA decently. I know that there is somewhere a shop that sells it, but I don't have one where I live. But it's in a good way and I'll just add a DHD that I saw here and put the start button on there. Once again, thank you for your great job with this one. :)

And I have begun printing.

Glitch. You better not come out with some badass Mk3 after I've already printed Mk1 and Mk2!!

Didn't you see my website? I have one with blue lights... ;)

Is the hole in Pisces on symbol_3 intentional?

Yes the hole is intentional. It's used to calibrate the gate.

Comments deleted.

I just bought a new CNC router with a build area more than big enough to machine this stargate from one piece. I'm almost done with the 3d printed version and I like it so much that I'd like to build it from a solid plate of aluminum or possibly plastic.

I was wondering if you could provide the source files for the gate parts, not the ramp just the gate itself. I have Autodesk Inventor but its very difficult to work directly with STL files (not impossible just difficult).

Thanks,

-Justin

The gate was designed as a segment and cloned to form a circle. There is no single model of the entire gate. The source has the same tolerance gap as the stl files.

Nice work. And thank you very much for your effort! My parts are beeing printed right now. But I have some issues, when it comes to the chevrons. The Chevron b and c from both of the choices 2 and 3 are huge, when I want to slice them with Slic3er. Has anyone else the same issue? Or @ glitch: do you have any idea, why this happens?

I've uploaded new versions of the chevron 2/3 b&c files. Please see if these fix your issue.

damned the ramp makes no sens at all but this project is just amazing, and nice documentation dude

Comments deleted.

Hi,

I noticed that the actual gate (the rotating part with the symbols and gear teeth) is not included in this download.

Do I need to download those parts from this link (Carasibana Stargate)?

http://www.thingiverse.com/thing:571853

I just want to be absolutely sure that the parts from that link will fit since the description says "Note: The model is slightly larger than the Working Stargate Mk1".

On a different note,

Other than that great job, this is an excellent model! I was even thinking of adding on to it in the future. The earth Stargate had smoke around it when dialing so I was thinking of adding an ultrasonic mister and blower fan into the base, then adding miniature ducting to pump smoke to the chevrons. I was also thinking of making a thin transparent circle (2 pieces, sealed to make a tank). Then it would be filled with a clear viscous (oil like) liquid that fluoresces a bright blue under UV light (integrated leds in the tank would provide the UV), and then I'd also have a small wave maker (motor/paddle) built in to simulate the wormhole surface. I think the mist is doable but I'm not too sure about the wormhole simulation, I guess its worth a try!

I didn't know about ultrasonic misters until recently so in case you haven't read about them here's a link to one that I think would be suitable.

http://www.ebay.com/itm/Ultrasonic-Mist-Maker-Fogger-Mister-Water-Fountain-Pond-Atomizer-Air-Humidifier-/390914877251?hash=item5b0457a743:g:N~YAAOSw44BYY3wH

Thanks a lot!

-Justin

Working Stargate with Arduino Control

Just a quick point of interest, great idea with the ultrasonic mister but I have one of these units and keep in mind that they require water to work. From my experience with a few simple water display projects after a few minutes these units will leave quite a lot of water around them wherever the mist is, so I would imagine this would not be good for motors and electronics (it would look great though) maybe it could be done with some kind of heating element and oil. I remember a while back you could get toy trains that had smoke come out of the stack and there was a little hole that had a note next to it saying something along the lines of "Place 1 to 2 drops of oil here". As to the wormhole simulation....sounds like a lot of work... However I did think that maybe an automated iris might be an upgrade option, I have found a few designs and will look into this when I finish my gate. If I come up with anything I will be sure to share it :-)
Cheers Strahany

The gear ring is included. Look for 'symbol_?_x1.stl' files. Unless you are customising it you should download all the parts from this model rather than mix with other models.

With relation to the size difference. The mk2 gate is thicker than the mk1 making the base specific to each model. The gear assembly itself is the same size in both models. Although the mk2 gear includes a fix to one of the teeth.

Ah thanks, I downloaded the entire zip and for whatever reason I completely overlooked those files. I was looking for many smaller pieces like in the original download but this will work since I have a large print bed.

Thanks

Hey glitch, you have done a fantastic job with this ! thank you so much for sharing with us!

but because i am a 3d printing noob (wife got me a Afinibot I3 for Xmas) I have a quick question:
What kind of bonding agent (glue) is being used if any at all.... (im printing in Silver MeltInk3D PLA)

Back Story:
I have just finished printing "gate_1_a_x8" and "gate_1_b_x1" I am now working on "gate_2_a_x8" these part fit together pretty well after minor post print cleaning. however they will NOT stay together on their own. I not sure if they are to be glued or if parts i have not yet printed will "clamp" things together...

I use Loctite Super Glue All Plastics. I find after a short while the cap glues shut. It comes in small tubes so be sure you want to use it all. Bit of a pain if you only intend to use a small amount.

http://www.loctite-consumer.co.uk/en/products/superglue-all-plastics.html

THANKS, I'll go get some loctite then. I'm realy looking forward to this!

Again thanks for sharing your hard work with everyone.

Comments deleted.

The latest Stargate spinoff - Stargate Thingiverse
Epic - Great work!

I am mesmerized simply by the instructions for putting it together...GREAT job on this project

Comments deleted.

Hi Glitch i am planning to print out the stargate but i was wondering What Arduino does it use?

(Nevermind just realized that you put links into one of the comments)

Starting build today! This is a fantastic design and the construction video is really nicely put together. Thanks Glitch - you have CAD superpowers

Using Repetier, it tells me Gate 1 a and Gate 2 a are non manifold (among other parts). When I slice them the chevron disappears. I tried fixing them at makeprintable.com but that does something wonky to it. It makes it thicker, the details aren't as profound, and the tab and tab slot on the sides don't fit together anymore. Any ideas on what could be happening?

Thank you so much for posting this by the way, it's quite incredible.

I've not used Repetier or makeprintable so I can't comment specifically at the moment. I have just tried them again in the Makebot software and they work ok. If I get chance I'll download the Repetier application on another PC (don't want to break my existing setup) and have a look.

Hi Glitch, I'm printing the parts and some of them are not slicing well. I'm using Slic3r and it reports a lot of errors and some prints come without some parts. Can you help me out on this one?

I tried to run them through Tinkercad to try to fix the non manifold erros but some parts upload with 541kb and the exit part has only 71kb(?).

PS- After reading the comment above I noticed that I have the same issue. Now I'm stuck. :(

I've tried one of the base side panels in slic3r and yes I agree it doesn't work correctly. The same file works fine in the Makerbot software as does importing the stl back into 3d modeller.

Some testing over the last few hours suggests either a bug in slic3r, or it's just interpreting the data in a different way. When I exported a model that looked broken in the 3d modeller it worked ok in slic3r. Although the same file didn't work in the Makerbot software. I will have to play around the data and see if I can get better results.

The difference in file size is just down to binary or ascii format.

In the mean time, I've tried to slice it with the Makerbot Desktop but the exit file is something I don't have an interpreter, so I moved on to Cura and that seemed to work, although when printing the gate_1_a_8x one of the "broken" ones, it takes an eternity to print because I'm not familiar with Cura. Another thing I've noticed is that, part ring_7 has to be laid with the two pins down so that the print is made with the slot upwards to be well defined so that one can insert the other part fine. The problem is when we turn it upwards one flat part of the piece is not that flat and when slicing it stays above the print bed. Is that intentional or was it an error from me or maybe when designing ?

I've uploaded new files if you would like to try again.

I think that by mistake, you've uploaded the new stl files but not the Arduino files. I've downloaded the new ones and noticed that they were missing.

Yes you're right. Now uploaded.

Hi Glitch, thank you for your attention. Already downloaded the new files. As I mentioned before, I've managed to make them print by using Cura to codify the parts. At this moment it's printed at, let's say, 50 to 60 %. I'm planing to use some 5050 smd Neopixels in order to reduce the amount of wires, as Carasibana did on his version, and if all goes well, maybe I can put all three LEDs per chevron. They're only 5mm square and by the first caliper tests, they might fit. Wiring them in order to light them in threes it's another story. As for the ramp lights, I'll be using strip LEDs because that's what I have and I'll be using a side board to power them up by means of 5V relays, connected to the 12V rail. For the moving chevron I'm planning to use a RC servo because I think a stepper is too much just for 10 to 15 degrees of movement. As I'm not that good, if any good, at coding, what I'm doing is just a mash up of your code with Carasibana's code. He has the neopixels and you have the moving chevron and the ramp lights, so I just mix them together and added something else. ;) I'm anxious to show you of the gate in action. Thank you for sharing this extremely nice project. It makes me want to learn even more! ;)

Looking forward to seeing your build. Have you thought of the mini NeoPixel? They are only 3.5mm.

https://www.adafruit.com/products/2686
https://makersify.com/collections/neopixels/products/adafruit-neopixel-mini-3535-rgb-leds-w-integrated-driver-chip-white-pack-of-10-ada2659

The motor brackets are additional to the base. So you'll only need to design a bracket for your servo. I thought that would be easier for people rather than expecting everyone to modify the base for different size motors. You could then upload your bracket for others to take advantage of.

I've uploaded my circuit diagram for reference. The LED's are all running off the 12v rail. I opted for transistors to switch the LEDs.

I've already built the Carasibana version of your first Stargate, and he uses the big 5mm neopixels and it looks good, so it's just a matter of adding more LEDs to the build. As for the bracket, I did followed what you suggest and altered the motor mount to use the servo instead. Just needs some minor details and if all goes well, I'll upload as a remix. I'm not that versant in coding but I have will enough to try and find out how it works so that I can mix parts of your code with some from Carasibana, as well as with servo example. Another thing I'll try to do is adding the calibration part of your code and use an IR LED-Phototransistor instead of the LED-LDR, because it's easier to get from old printers, which is where I get most of my components. Well, some of them, the most specific. One question, though, how do you suggest that we print the chevron 3_a ? I've already did a test print but didn't like the results.

I printed the chevron 3_a in high resolution and with supports. Then carefully remove the support material.

Hi there Glitch, I'm sorry but the chevron 3_a needs to be fixed. Still has the same problems. I've uploaded the servo mount so that everybody can use it.
Cheers and thank you once again.

Forget my last one. Wrong files. Tested new ones and all is ok. ;)

Glad it's all working.

This is pretty cool, is there a list of electronic parts available for the leds and motors and arduinos

Besides an Arduino. I used the Adafruit motor shield and 2 x NEMA 17 stepper motors. A parts list for the LED's, resistors and transistors can be found on my website.

http://www.glitch.org.uk/circuit-diagram/
https://www.adafruit.com/products/1438
https://www.adafruit.com/products/324

thanks heaps

When I slice the Ramp_4_x1.stl it does not print it as you have the model shown. it has some manifold problem

I printed it using the Makerbot Desktop software. It took about five hours on standard resolution with a raft. I've just tested the file again with the Makerbot software. It print previews the file without any errors.

Thanks for checking out the model. I need to figure out why my slicer is making a weird model. I use simplify 3D.

Thanks for the mode, I am so excited to get it printed and assembled . I am almost done printing all the parts. I will spend this week asseembling it. I am using ABS so glueing the parts should be easy

I've uploaded two alternate ramp fronts for the base. http://www.thingiverse.com/thing:1992386

Working Stargate Mk2 alternate ramp front
by Glitch
Comments deleted.

This is amazing!!!! thanks for the model.
Do you happen to have a non cut gate, ring, rail and symbol? can I buy it from you?
I have a 24x24x24 inch build volume printer and want to print as much as I can in one piece.

What is the diameter of the finished gate?

The diameter is approximately 430mm with an overall height of 500mm

I'd like to know this too....and how well this could scale bigger.

have you ever thought about making a dhd top go with a gate? that be really cool, also how dose the gate know what symbol is where? or do you just set it at a starting point?

I have considered designing a DHD, but haven't found the time. There is a calibration point on the symbol ring which allows the Arduino to know its starting position. From there you can work out where each symbol is on the ring.

Which symbol is for the calibration? After I got put together up to the wire tracks, I realized that there wasn't a way for the light to shine through. I rotated the ring around several times, but couldn't see which one had the hole.

Yes! Input the address in the DHD and then the gate dials it,

Hi, Glitch, Would you mind providing a schematic, component list, and filament and colors you used for each part? Thanks again for the post, it is awesome!!!

Hello Jason, You can find details for the electronics on my website www.glitch.org.uk Please note I am not an expert in electronics, and my circuit may not be the ideal solution.

As for the filament. I used about one and a half of the 0.9kg spools. Although I was printing multiple versions of parts during the design phase. I used white filament as I didn't have grey. The pieces printed in transparent/natural are negligible.

Glitch

Has anyone come across a print that would look good as the wormhole for this? Like a printed water pattern?

I've updated ZIP file with symbol_1_x1.stl to lay flat. The stl file is also available separately. If you're using the Makerbot software. There is an option to lay a model flat.

The hole in symbol_3_x1.stl is by design. It's how the calibration works.

@Glitch Also really keen in printing this and having the same issue as rwong56.

Are you able to fix up the symbol_1_x1.stl so it lays flat please.

@Glitch There is also a hole in one of the symbols on symbol_3_x1.stl which isn't breaking but prints odd.

Absolutely love this idea and I never thought I wanted a working stargate until now.

I am printing your Stargate. The symbol_1_x1.stl is not flat like the other symbols. Can you please check this part?

:( base is too big for lulzbot mini build platform. Even the halves.

Pretty cool though.

Amazing models, imagination and generosity to share. Many thanks, I'm building this. I built the last one, it was so cool.

Holy wow :O So glad I decided to wait a bit to do the Stargate for this version. 5 hours into first part. Hopefully have a "Made" by end off next week :D

It works well, I teleported my dog into another dimension!

stargate wormhole never could lead to another dimension if I remember correctly. It was only possible through the quantum mirror

Yep. It's a must for all Stargate fans to have their own gate :) You'll have to connect all the gates to the Internet so people can call each other ;)

Just imagine it with a screen behind it and connected to other Stargates by Skype. I know out there, are people capable of doing that, create a program that allows us to dial from a keyboard or DHD and making it go to a skype address, I guess. But that means it had to be, some how, connected to a computer or maybe a phone by bluetooth...

For me, after making the version from Carasibana, I'll make your Mk2 version but I'll try to use the Neopixels and a RC servo instead of a second stepper. But I'll give it some more TLC so that it doesn't get like the other one with a bad finishing and lots of gears noises. ;)

Awesome job once again! ... I'm going to have to build this version now as well aren't I ?

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