ThreadRuler
Workshop
A single instrument for drawing flawless circles, ellipses, and parallel lines.
3D-Compass
Workshop
The essential tool for understanding and teaching spherical coordinate systems.
Elliptical Bubble Leveler
Workshop
Unparalleled accuracy. The bubble points directly to the angle of inclination.
Trigonometric Ruler
Workshop
Instantly read SIN, COS, and TAN values directly from marked scales.
Coordinate System Board Game
Workshop
The fun way to master 2D and 3D coordinates. Make learning a game!
