Show HN: 3D printer simulator with in browser firmware execution

Category: devtools

Tags: 3d-printer, simulator, rust, bevy, wasm

Score: 6.3/10 (Innovation: 6, Technical: 8, Documentation: 7, Utility: 4)

REXTRUDE is a 3D printer simulator that runs real Marlin firmware in the browser using AVR emulation, combined with a Bevy-based PSX-style renderer and thermal simulation. It uniquely bridges low-level firmware emulation with a retro game aesthetic, making 3D printer debugging and demos more accessible and engaging.

Target audience: embedded devs, 3d printer enthusiasts, firmware developers

Repository: https://github.com/Kodoque1/rextrude · Rust · Apache-2.0

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