Parametric Rifle Scope Caps - tested from 30mm - 75mm sizes

Designed for no supports and a single Press fit D2x20mm dowel pin.

Most important step, you must print in BambuStudio and do not print assembled. Click Split > To objects.

Place the collar with the hinge up, and the cap down on its front. 

Add a outer brim to the collar side for better adhesion. 

Single wall on first side for the cap. 

These are press fit Scope caps, obviously not waterproof. Just protection for glass elements.