CAD-PRO laser projectors generate visible lines on surfaces for measurements, calibration and CAD data. The projectors contain one or two laser sources, some mirrors and prisms, two galvanometers with axes perpendicular to each other, a cooling system and the mechanics and electronics. The CAD-PRO is able to project in three colors simultaneously and display multiple line shapes. The CAD-PRO compact offers the features of the series in a smaller size for smaller installations. The CAD-Pro LD uses green laser diodes that offer an operating lifetime of up to 30,000 hours. The actuators for the turning mirrors in the projectors are controlled digitally to eliminate typical errors of analog systems like thermal drift or susceptibility to electromagnetic interference.