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# Tools

## Contents

## Misc

### Define location of points

Enter the location of a point by "Absolute" or "Relative" reference (Cartesian coordinates):

**Absolute**(*x,y*) is the horizontal (*x*position), vertical (*y*position) from origin (0,0).

**Relative**(*@x,y*) is the horizontal (*x*distance), vertical (*y*distance) from current or selected point.

**Length and Angle**: (*@l<d*) is the distance or length (*l*) and the angle in degrees from zero (*d*) from the current or selected point (polar coordinates).

Note that:

Degrees | Direction | ||
---|---|---|---|

0 (or 360) | is Right | ||

90 | is Up | ||

180 | is Left | ||

270 | is Down |

## Line

**2 points**: Draw a line between two points (x,y) (x,y).

**Angle**: Draw a line

**Horizontal**: Draw a line

**Vertical**: Draw a line

**Rectangle**: Draw a line

**Parallel through point**: Draw a line

**Parallel**: Draw a line

**Bisector**: Draw a line

**Tangent (P,C)**: Draw a line

**Tangent (C,C)**: Draw a line

**Tangent Orthogonal**: Draw a line

**Orthogonal**: Draw a line

**Relative Angle**: Draw a line

**Polygon (Cen,Cor)**: Draw a line

**Polygon (Cen,Tan)**: Draw a line

**Polygon (Cor,Cor)**: Draw a line

## Circle

**Centre, Point**: Draw a circle with a radius defined by specifying the centre (x,y) and a point (x,y) on the circumference.

**2 Points**: Draw a circle with a diameter defined by specifying two points (x,y) (x,y).

**2 Points, Radius**: Draw a circle with two points (x,y) (x,y) on the circumference and with a specified radius (length).

**3 Points**: Draw a circle with the

**Centre, Radius**: Draw a circle with the

**Tangential, 2 Circles, 1 Point**: Draw a circle with the

**Tangential, 2 Points**: Draw a circle with the

**Tangential, 2 Circles, Radius**: Draw a circle with the

**Tangential, 3 Circles**: Draw a circle with the

## Curve

**Centre, Point, Angles**:

**3 Points**:

**Arc Tangential**:

**Spline**:

**Spline through points**:

**Ellipse Arc (Axis)**:

**Freehand Line**:

## Ellipse

**Axis**:

**Foci Point**:

**4 Points**:

**Center, 3 Points**:

**Inscribe**:

## Polyline

## Select

## Dimension

## Modify

### Attributes

Allows for modifying the common attributes of the selected entities.

### Properties

Allows for the modification of an entity's properties.

## Info

## Other

### MText

### Text

### Hatch

### Points

## Related

http://wiki.librecad.org/index.php/Category:Tools

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