mgn12 mod ( Anet A8 / AM8 ) - build plate for simplify3d

With Simplify3D you can customize print bed visualization with your own STL file.
This model will add a ghosted version of your Anet Blv mgn12 mod printer.
Main purpose is indicate model scale on your printer.

Change log:

7/1/18 An Optimized STL model with more details at 3 variations:

• Full model
• Naked model
• Bed only model