window bracket for Anet A3

Basic bracket to allow polycarb/perspex sheet windows to be fitted to Anet A3.

You will need to adjust "Z" to match the thickness of the sheet you are using. stock the gap is 5mm. I'm using 3 brackets per window and they all fit and hold perfectly. the holes are set up to accept M2 screws but 3M tape/glue will work just as well if you don't fancy drilling into you're printer.

Originally the plan was to use inset neodymium magnets but this went horribly wrong and I decided to recover the s