This was designed as a small, lightweight throw lever for the Arken EPL4 4-16 scope. I've been told it fits several other models of Arken scopes as well, including the EP5, but I do not have a thorough list. Does not require any hardware - it is a snug friction fit. Depending on what filament you prefer and shrinkage rate, you may have to adjust scale. I printed at 100% scale with Overture PLA+ and it is nice and tight. 100% infill.

Use fuzzy skin for a nice texture on the outside.

For Overture PETG, I printed at 100.4% scale.

For Bambu ASA, I printed at 101% scale.