Rollei SL66 6000 series bay VI

This is a front lens cap for Rollei lenses mostly for SL66 series and 6000. Medium format film photo 6x6
It would fit all lenses that host Bay VI, usually 50mm, 80mm, 120mm, 150mm and 250mm focal lens
I recommend a resolution of 0.10 or 0.15 mm layer and density of 0.25