I'm new to 3D design. As a thank-you to this community, here’s my first big contribution: the Universal Windup Box. A drop-in 3D-printed mechanism to make almost any print move. I spent months refining it so you can just build your project, slot this in, and link back for updates. 
Demos: Wheelchair Robot, Periscope Sub (my fave), Cybertruck. Feedback and wild ideas welcome! Check it out. Can’t wait to see what you make, thank you! ❤️

Ian Holing

Wind-Up Box Add-On | Move Any 3D Print!

Articulated Roz by The Wild Robot movie

A1 Mod to use H2S extruder

Wind-Up Spy Submarine That Really Dives

Articulated Rolling Shark Toy – Eats & Poops Fish

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