Prusa i3 MK2 Simplify3D Bed Model STL (OpenSCAD)

I have some minor damage on my bed / PEI sheet which I want to avoid. I've been looking into creating my own custom bed model for Simplify3D so I can easily avoid problem areas when laying out pieces to be printed.

I stumbled across ayourk's post on the Prusa forums and have modified his code.

Ayourk's post can be found at: https://shop.prusa3d.com/forum/software-archive--f87/mk2-silk-screen-for-simplify3d-t2101.html

Changes:
- Changed the drill holes to look more like they do on the bed with an outer ring.
- Added a fine grid which shows every 10mm.
- Added a function to import a DXF file to add a graphic of PEI Damage for areas you may want to avoid. (I've included samples of mine for reference)
- Changed the zheight from 2 to 0.1



##### To install this in simplify 3D:

1. Export your printer profile from within Simplify3D. **File > Export FFF Profile**
2. Edit the file in a text editor. Change **overridePrinterModels** to **1** and **printerModelsOverride** to