Surprise Egg #3 - Tiny Wheel Loader

by agepbiz, published

Surprise Egg #3 - Tiny Wheel Loader by agepbiz Nov 17, 2017

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Stresstest your 3D Printer by printing this tiny collectable stocking stuffer.
Both the wheel loader and the egg was each designed to be printed in place without any support structures. The wheel loader has rotatable wheels, liftable loader bucket and articulated steering apparatus. The egg is hinged

'Making of' video:

Surprise Egg #1 - Tiny Haul Truck:

Surprise Egg #2 - Tiny Fork Lift:

Surprise Egg #4 - Tiny Excavator

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Twitter: www.twitter.com/agepbiz

Best regards

Not for children under 3 yrs.

Print Settings

Printer Brand:



MakerBot Replicator 2






100 microns




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Brilliant - first print at 200% scale on M3D pro worked out great.
Perfect for the big kids amongst us :-)

Love it ! Very well designed.

Thank you very much for the nice comment!

First, let me say these are my favorite designs. Unfortunately the forklift and loader are coming out with the pivot points fused together. Has anyone been able to print the with an anet A8? Would you mind sharing your settings? I would literally print these all day if I could:)

Thank you! is it the first layer or all the layers that are fused? if it the first layer you might have the nozzle too close to the bed resulting in overextruding. How big is your nozzle? recommended size is 0,4mm or smaller. I have no experience with the Anet A8 so not sure what the problem might be. My print settings on my Makerbot Replicator 2 are 0,1mm layer height, no rafts, no supports and 40% infill. Default travel speed

You're more than welcome. I can move the front whilst from side to side but the bucket arms won't move up and down. Are the wheels supposed to move? I'm guessing I'm having issues with tolerances. I'll keep playing with settings. My big prints are coming out perfect. Its these small prints that are giving me a problem whine comes to moving parts.

Yeah, the wheels are supposed to rotate freely. The tolerance on these models are very thight, and requires a well calibrated printer. Also check your overall feedrate or try a different filament and or temperature. If you are unable to make it work I guess you could try to upscale the models 5-10%? That will also upscale the tolerance. Although the models will no longer be tiny :(

So I changed the extrusion multiplier to 90 and now all vehicles come off the bed with wheels spinning and other parts moving:) Guess its time to print as many as I can:) :) Thanks again!!!!

Awesome! I would love it if you upload photos of the makes if you get some sucessful prints. I really enjoy seeing the makes of the models

These are truly awesome and inspired! Kids and adults can't stop playing with them. Have you designed anymore? Love to build if you do!

Thank you very much for the motivating words! I am working on and testprinting the prototype for egg #4 as we speak :) I hope to be able to release it withing a week, or at least before Christmas

How excellent! Thank you for doing such great work. I'll keep checking back. Have a wonderful Christmas!!
Best from Bethesda, Maryland USA,

Comments deleted.

Fold me closed on tiny loader
in the egg whites, a secure way
lay me down, in pla layers
download a little toy today

Here is a picture of where I've printed two of the trucks: https://imgur.com/a/leyq6. On the dump truck I used a brim and the facing down side was all connected together. On the log truck I used a raft and it wasn't glued together but the facing down side doesn't look good. On both the side facing up looks amazing. What can I do?

What a super cool design... Thanks for sharing.
One piece of advice for those struggling with the crazy overhang for the loader (like I was), particularly on printers with only 1 fan blowing from one direction... Rotate the model so that the overhang is gradually moving in the direction of the airflow from the fan. This ensures instantaneous airflow contact with the overhang. Made a heck of a difference as soon as I rotated the model on the Original Prusa MK2S.

Excellent tip. Thanks.

Just a note for those of you who upscale this model...the loader's cabin slopes upward when the model is flat on buildplate. About a third of the way through the print the cabin assembly started to wobble badly when the printhead passed over this area and i aborted the print. For the next attempt I've tried to solve this by adding 'zigzag support touching buildplate' to the model. I upscaled the model to 70mm x-axis.

Beautiful work agepbiz.

These continue to astound! Very nice work!

Thank you very much! :)

Feedback from my 4 year old son:

"Hey, daddy - the bucket doesn't tip forward, so it can't put its load into the dump truck. I do like that it wiggles in the middle, though."

So, I think that comes down to a suggestion to add another pivot point at the bucket and arms, so the bucket can move too.

Yeah, I originally intended to add a joint at the bucket, but that increased the size on the bucket so much that the whole wheel loader looked out of proportions and the bucket looked weird. This also increased the size of the egg which already was borderline too big compared to the two other eggs. So I decided to go for form over function on that part

Well, that makes sense. I'll let my son know. He's a little engineer, so he "gets" this type of stuff. He cares more to know why things are they way they are - if you get my meaning.

Make sure he keeps asking questions! :)

What is the size of your nozzle?

I have the default 0,4mm nozzle

Do you by any chance modelled this parametric, so you could easily release an 300% size version?

No sorry :( This is polympdelling done in 3ds Max and has been finetuned to print at this scale. I know people have upscaled these prints with luck, though since the tolerance increses along with the scaling it will get a bit wobbly

No wobbles at all with me. At 200%

Printing a 200% one now. Will be finished in 10-12 hours :-)

Haha! Awesome. I hope it wont end up to wobbly :)