52 mm lens cap, push-in
A spare front cap for 52 mm filter threads. A small 45° ridge on the skirt snaps past the thread crests, 0.3 mm proud, and holds the cap without a spring. Print the fit-test ring first if you are not sure about your printer.
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Specifications
| Fits | M52 × 0.75 filter thread |
|---|---|
| Cap | ⌀56 × 5 mm |
| Holds by | 45° ridge past the thread crests, 0.3 mm grip |
| Front | grip ribs |
| Material | PLA or PETG |
Printing
- Prints front face down, exactly as exported: no supports.
- Print the fit-test ring first; if the cap is loose or tight, change the grip by 0.1 mm.
- PLA is fine for push-in caps. Split tabs and the screw-in thread like PETG better.