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Surprise Egg #4 - Tiny Excavator

by agepbiz, published

Surprise Egg #4 - Tiny Excavator by agepbiz Dec 17, 2017

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23322Views 6166Downloads Found in Toy & Game Accessories

Summary

Stresstest your 3D Printer by printing this tiny collectable stocking stuffer.

update 01.01.17
added the file excavator_v2. Updated the cab. If you experience that the cab gets loose, use the new v2 model

Both the excavator and the egg was each designed to be printed in place without any support structures. The excavator has rotatable wheels, liftable arm and articulated bucket and rotatable body. The egg is hinged

'Making of' video:
https://youtu.be/izAVVtEN4ik

Surprise Egg #1 - Tiny Haul Truck:
https://www.thingiverse.com/thing:2255308

Surprise Egg #2 - Tiny Fork Lift:
https://www.thingiverse.com/thing:2614135

Surprise Egg #3 - Tiny Wheel Loader:
https://www.thingiverse.com/thing:2653489

Subscribe or follow me on:

Instagram: www.instagram.com/agepbiz

YouTube: www.youtube.com/user/agepbiz

Twitter: www.twitter.com/agepbiz

Best regards
Stian

WARNING: CHOKING HAZARD - Small parts
Not for children under 3 yrs.

Print Settings

Printer Brand:

MakerBot

Printer:

MakerBot Replicator 2

Rafts:

No

Supports:

No

Resolution:

0,1

Infill:

40%


Notes:

3 shells

Post-Printing

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Thanks again. Made all four again at 150% scale with no problems whatsoever. I wish I had skill to do this great work.

Awesome! I would love it if you also uploaded the files as a make. That will make the photos easier for people to see and make my models more visible. Just click the "I made one" in the upper right menu

Wow. Sons loved these. Thank you so much

Thank you for the comment!

My granddaughter loves it. I would like to be able to put in a Hershey Kiss in one to surprise her. Long story, but she would.

very very good ..great man !

"Some have printed very large versions of my eggs and they work. But since the tolerance between parts also scales they will become a bit more wobbly" The egg was a bridge too far for my stock (no mods) CR10, the hinges kept braking when I tried to open them. 150% works nicely though.
I get printing an axle/bearing without them sticking together when the extruder is axial but I don't understand why it works when the extruder is radial?
We need one of these for an R22 helicopter.

Sorry I never noticed this comment :( Usually when the hinges are fused it means the printer is overextruding. You should try reducing the flowrate. I use simplify3D and in S3D there is a setting called "Extrusion Multiplier"

Comments deleted.

Thanks! Did it work at all at 0.2?

I think it should, but i selected an old profile with -0,40 z offset so the first layer was to close = wheels stuck :(

I have no pictures but I just printed this and I am amazed at how all the joints work. These are super cool tiny toys. Very good on your effort to do this and share it. Thank you. Now I know my printer is worthy and I will mail this to my grandson so he can laugh at me and enjoy it and then lose it somewhere. i have the FolgerTech FT-5 printer. Original (year or so old) model.

Haha, thanks :)

Wonderful model. Printed well on my CR10 using S3D, except the cab is very lose. To the point that it can be removed out without obvious damage to the model.

Thanks! Yeah, I have just started using Simplify3D and I've had the same experience. Out of the box Simplify3D does a better job on the tolerance than my old slicer. I've just added a version v2 of the excavator with tighter cab joint. Let me know if you are able to test the new model. Best regards Stian

The cab on the new version works perfectly. Happy new year, and I looking forward to your next release!

Awesome! Thank you for testing it. Happy New Year!

How do you get the hinges to work? My truck printed nicely, then I just figured you had to turn the parts a bit to loosen it up but the cab broke off and the scoop broke off and if I bend anymore the arm will break too!

The cab broke off? It sounds like you must have really bad layer adhesion or something. And you struggle with the tolerance. It is hard to pinpoint the problem since it might be a lot of things. What printer? Are you usinge the settings I have am using on my model? Is this old filament? Do you have problems with the temperatures?

Well this is the first thing I’ve ever printed! We just got a davinci mini and I just printed this on default settings. I know not a lot about 3D printing as of right now. These files are great though thank you!

Ah, congrats on owning a 3d printer :)
Try printing this model on fine settings. 0,1mm layer height (100microns), 3 shells/walls and 40% infill. Make sure you dont print these using support structures or raft. You might have to experiment with different printing temperatures on the PLA

Some have printed very large versions of my eggs and they work. But since the tolerance between parts also scales they will become a bit more wobbly

Am I the only one having a really hard time printing this excavator?! The front window of the driver cockpit keeps curling upwards and causing my nozzle to hit it and knock the piece off the bed. How are you guys preventing the steep overhand of the front cockpit window from curling up?

I have attached some pictures to show what I am referring to. I am using a Prusa MK2S

Looking at you photos it also looks like you are overextruding. Try lowering the feedrate. Some of the curling might be because of the excess materials

Print Slower and at a lower temperature and with fan at 100%

Thank you for the suggestion shadycuz. I set it to 40% speed (using the LCD display on the printer) with fan at 100% and it still didn't help. I then added two desk fans pointing at the truck and turned off the heated bed and still the PLA was warping upwards more and more with each layer until the nozzle would hit it. Is there a specific speed you recommend?

No I haven't printed this yet, will try it tomorrow. I just know the curling is normally on parts that are overhangs and are getting to much heat dumped into it to quick. You printing in pla? Try a lower temperature like 194c and keep dialing back the speed until it passes that part.

Prints perfect. The rotating cab could be a little tighter but otherwise perfect. I love these things.

Excellent, spectacular, I'm already waiting for the next one.

Please make a Tiger TANK with a egg.

Please make a tiny grab next if you can? Like the Sennebogen 835 with claw attachment

Thank you. I love these. Reminds me of kinder eggs as a kid.

Yeah, Kinder Eggs was a big part of my childhood. Every Saturday I got one egg and it was the highlight of the week (this was in the 80s)

This one is great! Thank you for putting this one up! I'll be printing it soon and adding to my collection for my kids:)

Nice Work !

that is a great present for eastern :-)
can you create a thing for xmas ?

thx

Wow, awesome design! I can't keep up with your great work; we haven't printed Egg 2 yet!

Amazing work my friend.

Thank you. But trust me the Wold need a ping unicorn in a egg, as well!!

This is the best one yet! Printing now. Thank you for making and publishing these! Do you have any videos on how you make these models? Would love to see the process.

Thank you! I hope it prints well! Unfortunately I don't have any tutorials/progress videos. These model are usually modeled over several days or weeks with lot of trial and error

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