WIMUv4 Packagaing from OpenSCAD Parametric Packaging Script v2

WIMUv4
This variant of OpenSCAD Parametric Packaging Script v2
http://www.thingiverse.com/thing:66030 is use to make a prototype production packaging for WIMUv4 devices

Author Mark Gaffney
Version 2.6L
Date 2013-11-04

To Do:

Fix internal radii no-of-sides when using chamfered package to maintain wall thickness

Warning:


Some combinations of values, shapes and locations etc. may lead to an invalid or non-manifold shape being created, preventing you from exporting a .stl
If this happens try to remove or change some of the features or values until you get a valid shape and then add them back gradually until you find the offending item, then change it so it doesn't cause a problem

Note:

This thing uses HarlanDMii's"write.scad" module http://www.thingiverse.com/thing:16193
which you will need to have downloaded and located in the directory if you want to run this on your PC

Generating text can be very slow!

When generating a stacked la