About this 3D model
Pinhole 'lens' for Canon EF-S. EF-S because the back has some clearance to allow a wider angle. Print with a thin layer thickness (I used 0.15mm), the fitting has a sharp overhang. Then use a needle to make a tiny hole.
Pinhole 'lens' for Canon EF-S. EF-S because the back has some clearance to allow a wider angle. Print with a thin layer thickness (I used 0.15mm), the fitting has a sharp overhang. Then use a needle to make a tiny hole.