Trapezium profile parameters

Variables
const GUID	BevelWidth = {b5c1f546-f88d-49df-b582-f2f0322a7e23}
	Trapezium bevel width.
const GUID	Length = {db309ee2-1bd8-4629-bb40-a526c40f0547}
	Trapezium length.
const GUID	Width = {52fc6b49-50a6-4f17-8792-b15f1bc0e44a}
	Trapezium width.