
STL Workshop
3D print viewer & prep
0 ratings
Free
About
STL Workshop is a 3D model viewer and editor built for 3D printing.
IMPORT
• STL (binary, ASCII, colors), OBJ, PLY, 3MF, USDZ
• From Files, Mail, AirDrop — open any model in seconds
VIEW
• 7 render modes: shaded, edges, wireframe, x-ray, normals, overhangs, wall thickness
• Interactive section cut, layer preview, exploded view
• Studio and HDR lighting, realistic materials
ANALYZE
• Full diagnostics: watertightness, manifold topology, normals, shells
• Dimensions, volume, surface, weight and cost by material and infill
• Estimated print time, bed stability, center of gravity
• Precise measurements: distance, angle, diameter
PREPARE
• Automatic repair: filled holes, fixed normals, removed debris
• Auto-orientation minimizing overhangs on import
• Scale, rotate, mirror, lay flat, automatic base
• Hollowing with drain holes (resin), drilling and booleans, embossed or engraved 3D text
• Grid duplication, predefined printer beds
EXPORT
• STL, OBJ, USDZ and augmented reality (AR Quick Look)
• HD transparent captures, 360° GIF
• Direct upload to OctoPrint or WebDAV servers
• Siri Shortcuts: convert to USDZ, repair an STL
Units in millimeters. No ads, no data collection.
Show more
What's New in STL Workshop
1.0
July 23, 2026





