Show HN: Preslice.co – View, edit, and convert 3MF files

Category: devtools

Tags: 3d-printing, file-converter, security, browser-based, slicer

Score: 6.0/10 (Innovation: 6, Technical: 6, Documentation: 5, Utility: 6)

Preslice.co is a browser-based viewer, editor, and converter for 3D print files (3MF, STL, OBJ) that extracts and displays print settings, filament info, and security checks without uploading the model. It supports multiple slicer formats and can convert settings between them, addressing security risks of opening untrusted files in slicers.

Target audience: 3D printing enthusiasts, makers, and professionals

Repository: https://preslice.co/

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