Preferences
You can adjust color, line thickness, and other aspects of the add-on by going to Edit -> Preferences -> Add-ons and expanding the Perspective Plotter entry.
Axis Display Preferences
X/Y/Z color
This will change the colors and transparency of the different perspective axes.
Axis thickness
Change the thickness of the Axis lines and control points.
Horizon Line color
Change the color and transparency of the horizon line.
Horizon Line thickness
Change the thickness of the horizon line.
Grid Point color
Change the color and transparency of the grid point.
Grid Point size
Change the diameter of the grid point.
Principal Point color
Change the color and transparency of the principal point.
Principal Point size
Change the diameter of the principal point.
Measurement Line color
Change the color and transparency of the measurement line.
Measurement Line thickness
Change the thickness of the measurement line.
Move Along View Preferences
This configures the Move Along View tool.
Keyboard Shortcut
You can change the keyboard shortcut for this tool by clicking on the parameter and pressing a new key combination.
Line color
Change the color of the lines projected by the tool.
Line thickness
Change the thickness of the lines projected by the tool.
Show Axis Lines
You can display X/Y/Z axis lines when moving a vertex or object if it aids placement.
Mouse Sensitivity Preferences
These parameters change how close the mouse needs to be to a control point.
Axis Point Sensitivity
How close to the Axis Point the mouse needs to be.
Grid Point Sensitivity
How close to the Grid Point the mouse needs to be.
Principal Point Sensitivity
How close to the Principal Point the mouse needs to be.
Measuring Point Sensitivity
How close to the Measuring Point the mouse needs to be.