Balloon-powered car chassis — 3D-printable model preview

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Kids & play Medium

Balloon-powered car chassis

Build a balloon-jet racing car

A light open chassis with axle holes for two drinking straws and a nozzle hole in the back: add skewers, four bottle-top wheels and a balloon taped to a straw, and the car races across the floor on its own jet. Children can tune it by changing the nozzle or the wheels.

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Size: 120 × 60 × 22 mm
Shape: Rectangular
Walls: 2.5 mm
Volume: 18.6 cm³
Est. weight (PLA): 23.1 g
Parts to print: 1
Category: Kids & play
Made by: Krypto
Built in: 28 steps

What’s in it

Rectangular, 120 × 60 × 22 mm, with 2.5 mm walls
5 holes in the walls

How to print it

Add straws, skewers, bottle tops and a balloon.

Prints as shown on its floor, no supports.

Filament: at most about 23.1 g of PLA printed solid (roughly $0.46 at $20 per kg); normal infill uses less.

To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (every part on one plate).

Questions

What size is the balloon-powered car chassis model?

The balloon-powered car chassis model measures 120 × 60 × 22 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Add straws, skewers, bottle tops and a balloon. Prints as shown on its floor, no supports.

How much filament does it use?

At most about 23.1 g of PLA (18.6 cm³ printed solid), roughly $0.46 of filament at $20 per kg. Normal infill uses less.

Can I change it?

Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.

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Make it fit your space

Change the size, walls, dividers, holes and labels of the balloon-powered car chassis model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model