Mostly Printer CNC / Multitool Layout Size Calculator

This is an openscad file to calculate the length of Pipe, Threaded Rod & Belt needed for various workspace layouts of the project: http://www.thingiverse.com/thing:724999
I based these calculations from the Detailed Assembly Instructions: http://public.vicious1.de/Assembly_Instructions_v0.2.pdf written by Bofferle http://www.vicious1.com/forums/users/bofferle/
, but did change one dimension related to the belt lengths.

I have also written a Visual Basic program to do these simple calc