quickly tell how much filament left on your spool. no more tedious weighting over and over.
designed for Tesla 1.75mm PLA Spools -
width(mm) - 68
diameter(mm) - (inner/core/outer) 53/95/202
since there are many types of spools around, it can easily be remixed for any kind of spool dimension.
print face up or on the side for best result.