A customizable drag chain project. 

The Customize button generate 3 plates:

Plate 1: a intermediate link. you can copy to obtain the desired length

Plate 2: a initial link

Plate 3: a final link

You can select:

LongEsl=Length of link
AnchoEsl=Width of link. Must be less than "LongEsl/2-1"
ProfEsl=Height of link
Open=Is the link open or close? Open links has a passthrough for cables. Closed links maybe not very useful
CableSize=If so, size of the open path. Must be less than "ProfEsl-6"