LibreCAD is a free, open-source 2D CAD application for creating and editing technical drawings. It supports a variety of commands for drafting and editing. Below is a list of key LibreCAD commands categorized by functionality:
1. Drawing Commands
| Command |
Description |
Shortcut |
| Line |
Draws a straight line segment. |
li
or l
|
| Polyline |
Creates connected line segments. |
pl
|
| Rectangle |
Draws a rectangle using two diagonal corners. |
rec
|
| Circle |
Draws a circle (various methods available). |
ci
|
| Arc |
Draws an arc (various methods available). |
ar
|
| Ellipse |
Draws an ellipse. |
el
|
| Spline |
Creates a smooth curve through points. |
sp
|
| Text |
Adds text to the drawing. |
txt
|
| Hatch |
Creates a hatched or filled area. |
ha
|
2. Editing Commands
| Command |
Description |
Shortcut |
| Move |
Moves selected objects to a new location. |
mv
|
| Rotate |
Rotates selected objects around a base point. |
ro
|
| Scale |
Scales selected objects by a factor. |
sc
|
| Mirror |
Creates a mirrored copy of selected objects. |
mi
|
| Trim |
Trims objects to a boundary. |
tr
|
| Extend |
Extends objects to a boundary. |
ex
|
| Stretch |
Stretches objects using a selection window. |
st
|
| Offset |
Creates a parallel object at a specified distance. |
os
|
| Delete |
Deletes selected objects. |
del
|
| Explode |
Breaks complex objects into simpler elements. |
ex
|
3. Snap Commands
| Command |
Description |
Shortcut |
| Snap to Endpoints |
Snaps to the endpoints of lines and arcs. |
se
|
| Snap to Middle |
Snaps to the midpoint of a line or arc. |
sm
|
| Snap to Center |
Snaps to the center of circles and arcs. |
sc
|
| Snap to Grid |
Snaps to the nearest grid point. |
sg
|
| Snap to Intersection |
Snaps to the intersection of objects. |
si
|
4. Layer and Property Commands
| Command |
Description |
Shortcut |
| Add Layer |
Creates a new layer in the drawing. |
la
|
| Toggle Layer |
Turns a layer on or off. |
- |
| Set Layer Color |
Changes the color of a layer. |
- |
| Properties |
Modifies the properties of selected objects. |
pr
|
5. Dimensioning Commands
| Command |
Description |
Shortcut |
| Linear Dimension |
Creates a linear dimension. |
ld
|
| Aligned Dimension |
Creates an aligned dimension. |
ad
|
| Angular Dimension |
Measures and displays an angle. |
angd
|
| Diameter Dimension |
Measures and displays a circle's diameter. |
dd
|
| Radius Dimension |
Measures and displays a circle's radius. |
rd
|
6. Miscellaneous Commands
| Command |
Description |
Shortcut |
| Undo |
Reverts the last action. |
u
|
| Redo |
Re-applies the last undone action. |
r
|
| Zoom Extents |
Fits the entire drawing within the viewport. |
ze
|
| Zoom In/Out |
Magnifies or reduces the view. |
zi
/ zo
|
| Pan |
Moves the view without altering the drawing. |
p
|
| Grid Toggle |
Toggles the display of the grid. |
- |
| Measure |
Measures distance, angle, or area. |
me
|
Command Line Tips
- To activate the command line, press
:
or use the Command Line at the bottom of the interface.
- Type the shortcut or full name of the command, then follow prompts for parameters (e.g., start point, radius).
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