I hadn't seen any models on here that I liked, so here's my contribution.

The walls are supposed to be 3mm thick, and the test will determine how close to that number the actual print is.

After printing the model, measure each side twice and use the calculator I made for this test.

[PLEASE DO NOT MESS WITH THE EQUATIONS SO THAT OTHERS MAY STILL USE IT]

• Any filament
• Any infill