Perspective Parallel Offset Tool
This tool allows you to create a duplicate object that is
offset from the orginal object in the current perspective plane.
Set the number of offset in the tool's dialog
To use the tool, click on an object in the drawing and drag
in the direction of the offset.
Parallel offset of a perspective rectangle
Perspective Thicken Tool
This tools operates like the Thicken tool of WildTools except
that is operates in the current perspective plane.
A perspective thicken