Engineering Ruler Micro

I have a lot of math to do! Know the feeling?

I used to need a few tools to help me do Trig and Calc. Why not simplify some of the various pieces to draw critical graphs, tables, and more?

As importantly, I need to be able to print a replacement before class.

~64mm x 25mm x 1.2
Stencil gaps are .75±.05 mm

Features:

Free
Open-Source
Tiny
Super quick to print! (11min on Prusa I3mk3)

Keychain hole!
Bump-line ruler edge (bumps are gapped by 5mm) for graphing
Sharp edge for strong, clean lines
Stencil: 90° Arc segment (15mm inner radius) for unit circles
Stencil: function table & T-square for functions
Stencil: Box for box-related activities

Cleanly supports .5 & .7mm graphite