A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...

The Y Ruler, developed by Yuan Design Studio, is multi-functional measuring set, inspired by the ancient Brass Goniometer. It has been redesigned to offer enhanced durability and precision, embodying ...

Designers, engineers, builders and students looking for a versatile ruler which offers both millimeters and inches together with a unique aluminum design may be interested in the Re-ruler created by ...

Ah, classic...and relatively easy. In one sentence, draw the perpendicular bisector of any two distinct rods to the circle and they will intersect at the center.