A hollow-forged bicycle crank arm with a continuous load path between the spindle and pedal bosses. Sculpted front and rear relief pockets reduce mass while retaining material around the primary interfaces. Made with Zookeeper.
Zoo makes CAD truly AI-native with a modern geometry engine, readable code, and an editable feature tree, enabling precise changes beyond chat-only workflows.
Joined April 2021
- Ben’s Build Log #02 For the wheel rims, I needed some info on how the bolt assembly is typically constructed on aircraft wheels. I asked Zookeeper for some technical context and it gave me a breakdown and technical drawings to support my modelling.
- 🏆 API Makeathon Winners Announcement 🏆 You all seriously raised the bar with this API Makeathon. The submissions were inventive, technically impressive, and full of ideas we didn't see coming. A huge thank you to everyone who built and submitted a project! There was no
- Ben’s Build Log #01 While creating the aircraft tires, I built the outer tire cross-section manually to define the geometry. Instead of recreating essentially the same shape again for the inner profile, I handed that part to Zookeeper. One prompt later, it reproduced the
- Hey, Ben the intern here! 👋 I’m an aeronautical engineering student and recently joined Zoo to explore what practical engineering looks like in Zoo Design Studio. Over the next few months, I’ll be designing a small single-engine aircraft piece by piece and sharing the process

