e+m Mini Triangle Ruler

Miniature wooden ruler marked in both inches and centimeters.

Pack of 2. Material: plastic. Color: clear. 45 degree ruler measurement: 11.5cm and 17cm，30/60 degree ruler measurement: 11.5cm and 18cm. Great

BronaGrand Triangle Ruler Square Set, 30/60 and 45/90 Degrees, Set of 2

Easy Equals 60° Triangle Ruler - 730976017312

Carved from natural beech, this small desktop organizer packs a big punch.

e+m Office Rock Desk Organizer

New size is great for small, fast, and fun pieced projects. The Super 60 is a specialty ruler for cutting 30, 60, or 120 degree angles. Cut 120

Clearview Triangle™ Mini Super 60° Acrylic Ruler

3 Ways to Draw an Equilateral Triangle - wikiHow

Visualizing the electron's quantization with a ruler

Measuring and marking-out

Mr. Pen- Small Architectural Scale Ruler, Aluminium, 6 Inch, 2 Pack, Black and Blue, Pocket Size Ruler, Triangle Ruler, Metal Ruler Set, Architect Scale Ruler for Blueprints - Yahoo Shopping

Introduction to Physics-informed Neural Networks, by Mario Dagrada