March 27, 2018
Description
instrument measure of angles montessori protractor for laser engraver and cnc router
Montessori Protractor, a frame divided into 360 degrees, the white line corresponds to the 0 mark and to 360.
used with Fraction Circles cut out labeled https://www.thingiverse.com/thing:2828126
and with fraction circles https://www.thingiverse.com/thing:2839103
License:
Creative Commons - Attribution - Non-Commercial - Share Alike
atamblay
