BuildCAD AI

Fit and tolerance tests for 3D printing

The right hole or gap depends on your printer, filament and slicer. A small test print settles it in minutes: print it, try the part, and use the size that worked in your designs.

Designed with buildcad's AI agent, checked by the buildcad team.

Need a different shape? Open a free generator

  • 3D print tolerances : A clearance chart for FDM fits, and one small print that measures your own printer.
  • Thread generator : Printable bolts and nuts, jar necks with screw caps and threaded inserts, with FDM clearance.

All designs in the Library