0.2mm layer, 2 walls, 10% infill

Version 2.6 (print this if the 2.5 biconvex lens doesn't fit)

Version 2.1, can pass Jiali Creation free printing

Version 2.5, building on version 2.0, added a dust cover and optimized convex lens installation

Version 2.0 Full screen display without black borders (mirror fixed flush with the top edge)

Version 1.0 with 1/4 heat-set nut holes added to the bottom

Version 1.0 size modified perfect fit

Added 1/4 heat-set nut mounting position at the bottom based on the improved version

Optimized focal distance accuracy The convex lens is now installed internally to prevent accidental drops The lens insertion method optimized, glued securely after insertion

Just print this, the dimensions have been optimized

0.2mm layer, 2 walls, 15% infill

0.2mm layer, 5 walls, 80% infill