leocad: leocad (CAD program for toy bricks) leocad: leocad: LeoCAD is a CAD program that uses bricks similar to those leocad: found in many toys (but they don't represent any particular brand). leocad: Currently it uses a library of more than 7000 different pieces. leocad: leocad: https://www.leocad.org/ leocad: leocad: leocad: leocad: