Such as, the Draw module of LibreOffice / OpenOffice.org makes it possible to make technical drawing. CADLO adds some functions that one can find in other CAD.
For example:
- a wider set of anchor to graphical entities (ends, intersection, middle, perpendicular, tangent) ;
- input of absolute or relative coordinates Cartesian or polar ;
- input of the radius, diameters or lengths ;
- an axonometric mode to restrain direction on 15° multiples ;
- drawing of circle passing by three points ;
- dimensioning a radius, a diameter, an angle, horizontaly or verticaly.
Note: drawing line, circle, arc, ellipse, arc of ellipse, polygon already exist but they were rewritten to benefit from the modes above without replacing the existing commands.
This Addon was written in python with use of the module pyuno.
It is an extension , which adds an entry of menu entitled "CADLO".