Dividers and compasses are drawing instruments that have been used since antiquity to measure distances, transfer lengths from one drawing to another, and draw circles. The Greek mathematician, Euclid ...

This leg for a drawing compass has a brass top, which is jointed, and German silver pen points with an adjusting screw. Loosening the screw increases the width of the pen line to be drawn. At the turn ...

A speed square can replace a compass for drawing small circles, but a beam compass is the preferred tool for drawing large circles. Attach trammel points to a shop-made beam like a 1x1 piece of wood.

Equipped with Bluetooth, it is able to draw 2-D shapes from digital files that are beamed over via iPhone. Two steel rods emerge from a center that is stuck into the paper, and by rotating the ...