Launched this week

SpinSlicer
Open-source slicer for volumetric (CAL) 3D printers
2 followers
Open-source slicer for volumetric (CAL) 3D printers
2 followers
Volumetric printers cure a whole part at once in a spinning vial of resin. SpinSlicer turns an STL into the projector frames: it models refraction, absorption and projector optics, shows a virtual print, and plays the frames. Free, MIT, Windows and Linux.







Hi Product Hunt! I'm one of the two makers of SpinSlicer.
Volumetric printing (CAL) still feels like magic to me: a vial of resin turns in front of a projector, and a whole part appears at once, with no layers and no supports. The catch is the software. The frames the projector shows have to be computed, and the existing tools are mostly research code. So we built a desktop app that anyone building a CAL printer can use.
What it does:
STL in, optimized projector frames out (MP4 or PNG)
Models refraction through the vial, resin absorption and the projector's ray cone
Virtual print: shows what will actually cure before you spend resin
Plays the frames on the projector in sync with the clock, and stops by itself when the dose is reached
Honest status: everything is checked in simulation. In our benchmark on 3DBenchy, our engine FastCAL matched the model better than OSMO, PM and BCLP (IoU 0.967 vs 0.934, 0.930 and 0.920) and planned about 3x faster than OSMO on the same CPU. But we haven't made a live print from SpinSlicer frames yet; our rig is still being built.
If you have a CAL / volumetric printer, we'd love for you to try it and tell us what breaks. Feedback on the interface is very welcome too. It's free and MIT-licensed, for Windows and Linux.