In geometry, straightedge-and-compass construction – also known as ruler-and-compass construction, Euclidean construction, or classical construction – is the construction of lengths, angles, and other
Straightedge and compass
A compass
Compass (drawing tool)
Videos
A compass, also commonly known as a pair of compasses, is a technical drawing instrument that can be used for inscribing circles or arcs. As dividers, it can also be used as a tool to mark out distanc
Straightedge and compass construction
…construction, or classical construction – is the construction of lengths, angles, and other geometric figures using only an idealized ruler and a compass. The idealized ruler, known as a straightedge, is assumed to be infinite in length, have only one edge, and no markings on it. The compass is assumed…
A beam compass and a regular compass
A bow compass capable of drawing the smallest possible circles
Keuffel & Esser Arrow beam compass set for drafting.