A must for astrophotography.

It's plastic, so I don't recommend to use it to mount some heavy lens with T2 thread, besides it's not calibrated for them ( flange distance )

Printer: Prusa MK3

Material: PLA

Nozzle: 0.4 mm

Layer : 0.2 mm - details

Perimeters: 3

Infill: 20% ( at 100% it warped at the bottom )

Brim: Yes

Supports: enforced, cylinder inside the thread space