Bottle car rocket axle
thingiverse
A customized axle for the Rocket Car Race Chassis and Wheels by 3D Printworks, this bottle rocket car axle can be printed without supports. For the axle, I used bamboo BBQ skewers (to fit the 3.5 mm diameter axle) and pine car derby wheels (https://www.thingiverse.com/thing:249228). The printed axles are 120mm wide so that the car will fit onto a pinewood derby car race track laid flat. This object was made in Tinkercad. Edit it online at https://www.tinkercad.com/things/996LlHgKeWY.
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