Install leocad by entering the following commands in the terminal:
sudo apt update sudo apt install leocad
Description:
virtual brick CAD software
LeoCAD is a CAD program that can be used to create virtual models with bricks similar to those found in many toys. . It has an easy to use interface and currently features over 2000 different pieces created by the LDraw community when installed with the ldraw-parts package.
Homepage: http://www.leocad.org/
Version: 18.01-1
Section: universe/utils