Creating setback on a lot plan

Grasshopper
,
1

Hi everyone! I need help regarding creating offset on this planar curve. I can only do offsetting by list item, but it can only cater limited number of sides.

my goal is the following:

  1. each side must have different easements
  2. the script can cater wide range of number of sides.

lotplan
lotplan851×706 3.03 KB

2

Variable Offset_2023Dec11a.gh (16.6 KB)

Variable Offset_2023Dec11a
Variable Offset_2023Dec11a1121×409 42.9 KB

Variable Offset cluster:

Variable Offset_2023Dec11a2
Variable Offset_2023Dec11a21381×338 53.4 KB