QCAD is another open-source CAD software like LibreCAD, except that its scope is limited to 2-Dimensional drawings. However, this is one of the best software products for 2D drawings. The QCAD ...

CAD Sketcher lets the user make a ‘sketch’, a 2D drawing. They then constrain it, saying “this line is vertical, that line is parallel to this one”, until the sketch is fully defined.

Drawing programs and 2D CAD programs allow objects to be drawn on an X-Y scale as if they were drawn on paper. Although 3D images can be drawn in 2D programs, their views are static. They can be ...