Drill Bits Measurement (millimeter)

I made this to have a quick way to measure my drill bits.
Diameter are 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 8 mm.
It can be change using OpenSCad.
I add 0.3mm to each diameter to make it easy.