The file 'Protractor 3D Printer Model' is (STL) file type, size is 504.6KB.
I made a protractor, It can draw circles 、angles and measuring angle.
special tips:
When it's finished printing,it might be a little tight.
let it takes a few more turns.
This model was printed using PLA. (fill in 10~15%,using a lower layer hight (0.15~0.2mm),no support)
slide_rule.STL | 2.0MB |