Video tutorial: Watch here
Size used in photo is the M size.
Thickness used: #2 on Atlas
Cutter Square Base Measurements:
M - 35 mm (1.38 in)
L - 45 mm (1.77 in)
XL - 55 mm (2.17 in)
Does not come in the S size due to intricacy.
All measurements are taken of the bases' exterior dimensions, rounded off to the nearest decimal.