leocad software package provides virtual brick CAD software, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install leocad
leocad is installed in your system.
Make ensure the leocad package were installed using the commands given below,
$ sudo dpkg-query -l | grep leocad *
You will get with leocad package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Utilities |
| Package | leocad |
| Version | 0.80.3-1 |
| Description | virtual brick CAD software |
| Sub Section | utils |