Show HN: I built a robot that draws caricatures with a Sharpie

4 ringerapps 1 8/27/2025, 2:27:48 PM caricature-bot.com ↗

Hi HN, I’ve been tinkering with this for a while and finally have it in a decent state. It’s a plotter robot that draws caricatures from photos.

I trained a diffusion model (Flux Kontext LoRA) on caricature images, 3D-printed a Sharpie mount for my Ender 3, and hacked together a pipeline that goes photo → caricature → G-code. After a lot of trial and error it’s working pretty well, and I put up a little site where you can try it out.

Happy to answer questions or hear any feedback. Thanks!

Comments (1)

chfritz · 4h ago

Sorry to ask the obvious: why not just print the caricatures using a regular printer instead?

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Show HN: I built a robot that draws caricatures with a Sharpie

Comments (1)