- material: strong
- measures: outer diameter ~40mm, thickness ~16mm
- holes: one center hole ⌀ 10mm (but it can also be slightly bigger)
Get this part
- Buy: As local make, but you can get washers for M10 in stores. The holes in these off the shelf M10 washers are a bit bigger than 10mm. But they might work for your use case equally well.
- Make: One way to make this is to use a laser cutter. → Download vector file here.