Drag chain (parametric)

A customizable drag chain project. The Customize button generate 3 plates:Plate 1: a intermediate link. you can copy to obtain the desired lengthPlate 2: a initial linkPlate 3: a final link You can select:LongEsl=Length of linkAnchoEsl=Width of link. Must be less than "LongEsl/2-1"ProfEsl=Height of linkOpen=Is the link open or close? Open links has a passthrough for cables. Closed links maybe not very usefulCableSize=If so, size of the open path. Must be less than "ProfEsl-6"