Thumb screws to attach to Imperial small size cap allen cap screws.
These are intended to be snug, but will require a dab of Cyanoacrylate adhesive (super glue) or 5 minute epoxy. It just takes a drop, there's not a lot of space to fill up.
10_Knob.stl | 924.4KB | |
25_Knob.stl | 556.4KB | |
6_Knob.stl | 775.9KB | |
8_knob.stl | 910.3KB |