Free · Make a ring with an exact hole and height

3D Washer & Spacer Maker

Set the outside, inside, and thickness for a printable washer or spacer.

  • Real solid geometry
  • Private in your browser
  • STL and OBJ downloads

Set the size

All measurements are in millimetres. The preview and download update together.

MeasurementsMove a slider or type an exact size.

A slicer may need to rotate or split a multi-part model before printing.

Model previewBuilding the starter model
View
Building your modelOpenJSCAD is making the real solid geometry.

Three simple steps

How to use it

  1. Measure the bolt or shaft for the center hole.
  2. Add a small gap if the part must slide freely.
  3. Download and print the ring flat.

Your model stays on this device

OpenJSCAD builds the solid and makes the STL or OBJ file inside this browser tab. Bookify does not upload or save your measurements. Check the finished file in your slicer before printing.