Washers -- Any Size

Here is a .scad file to make washers of whatever size you need. There are three variables at the top (outer and inner diameter, and thickness) change them to suit your needs (values are in millimeters). F5 to preview, F6 to render. After they are rendered you can export to STL.

Printed at 100% infill the washers are surprisingly strong (PLA). The included STL is an example that prints a washer with 30 mm outer diameter, 16 mm inner diameter, and 2.65 mm thickness. These particular washers are