Creating a 2D CAD drawing of the robot using LibreCAD

We can take a look at the basic interface of LibreCAD. The following screenshot shows the interface of LibreCAD:

A CAD toolbar has the necessary components to draw a model. The following screenshot shows the detailed overview of the CAD toolbar:

A detailed description of LibreCAD tools is available at the following link:

http://wiki.librecad.org/index.php/LibreCAD_users_Manual.

• Command Box: This is used to draw figures by only using commands. We can draw diagrams without touching any toolbar. A detailed explanation about the usage of the command box can be found at:

  http://wiki.librecad.org/index.php/A_short_manual_for_use_from_the_command_line.

• Layer List: This will have layers used in the current drawing. A basic concept in computer-aided drafting is the use of layers to organize a drawing. A detailed explanation of layers can be found at:

  http://wiki.librecad.org/index.php/Layers.

• Block: This is a group of entities and can be inserted...