This is a parametric bolt handle generator.
It turns a bolt into a wing-bolt that can be turned by hand.
You choose the bolt size, number of lobes, and optional length (center to center of lobe) and generate your own handle.
Relies on BOSL2 library.
Models uploaded at: https://www.printables.com/model/1125064-bolt-wing-handle-parametric-and-customizable-opens
Source code maintained at: https://github.com/geru/3d-scad-handlebolt
Author website: https://hkern0.com
handleBolt © 2025 by Hugh Kern
MIT non-AI licensing: https://github.com/non-ai-licenses/non-ai-licenses/blob/main/LICENSE