Butter Tab Holders are 3D printed and will hold a box tab for either 120 (or 220) film, or 35mm film. they can be glued on the back of your camera
Butter Tab Holders 35mm and 120 — CAMERADACTYL
Products –
Box Camera Film - UK
35mm Film Canister - UK
120 BUTTER BOX Film Case — CAMERADACTYL
120 BUTTER BOX Film Case By Cameradactyl –
35mm BUTTER BOX Film Case by Cameradactyl
JapanCameraHunter 120 film cases - Japan Camera Hunter
The CAMERADACTYL Brancopan: A 35mm Panoramic Camera You Can Print at Home
120 Film Holder - UK
120 Film Camera - UK
120 BUTTER BOX Film Case by Cameradactyl
Box Camera 120 Film - UK