Suitable for film of 30cm and 25cm wide, and roll with max. 3.8cm diameter.
The height/depth are both 41.8 mm so the case can perfectly fit into a slot of Gridfinity system.
Tested with cling film and aluminium foil, should work with paper.
Assemble Note:
A filament of 1.75 mm diameter (the filament that most 3d printers use) is needed for the hinge.
Optionally, stick a piece of nano gel pad with a piece of cling film to avoid cling film retraction. ( Case body | Nano gel pad | A small piece of cling film )
Feel free to ask for more sizes if you need more sizes.