From the Loftsmith community

Flat ring spacer 58.7 × 50.8 × 2.54

A thin flat ring for taking up a little slack between two round parts, like a washer cut to your own size. It sits flat and even, with a wide open centre. Change the outer width, the hole or the thickness, and add a touch of hole clearance if it fits snug.

1 part · 2 g · 59 × 59 × 3 mm