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Balloon Engine for Interlocking Toy Brick System #3DThursday #3DPrinting

E1c045a1fb877725668f0328519c7590 preview featured

Shared by chazwhiz on Thingiverse:

This is a work in progress

It’s tricky to print a balloon rocket car due to the wheels and axels. So I figured “why not use the LEGO wheels we already have?”

Basically this is the mechanism for a typical balloon car but embedded into a custom LEGO-compatible body, so you can just snap it on to whatever LEGO vehicle you want.

Place a standard balloon over the lip of the “pipe” on the top. Blow through the rear nozzle to inflate.

I’m still working on variations – my goal is to showcase the differences in nozzle size for instance, so they can be used to help kids understand Newton’s laws etc.

Download the files and learn more


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