Available from version:
Plugin Builder 1.38.0.2 or higher
Plugin Builder 1.60.0.06 or higher
The assembler $BORDERPERIMETERWITHOUTSIDECUTBUILDER calculates the amount of the offset edge.
Use
Using the assembler $BORDERPERIMETERWITHOUTSIDECUTBUILDER will calculate the edge quantity without the offset.
Already the assembler $BORDERPERIMETERBUILDER will calculate with the offset.
Example
In a 1000x1000 piece, with 4-sided border and 15 offset.
$BORDERPERIMETERWITHOUTSIDECUTBUILDER = 4000
$BORDERPERIMETERBUILDER = 4120