Calumet 4x5 3d printed out of PETG.
This is for the 4x5 calumet with an opening of 4”
In the purchase please put what size hole you would like
Copal #0 - 34.6 mm
Copal #1 - 41.6 mm
Copal #3 – 65 mm
Copal #3s - 64.5 mm
Or custom size hole. Please send dimensions in millimeters.