Anet A8 Heat Bed Isolation Holder

A Heatbed isolation holder for the standard Anet A8.
Suitable for 1,5mm cork isolation or any material up to 3mm thickness in the corners.
The red screwhole bushings, as seen in the image also server to fix the screws to ease z adjustment. It allows for ca 4mm Z adjustment range.
Also serves as guides for the springs.
Thanks to smallindine for inspiring work.
You need 4 of these, they have integrated joints. The screwhole bushing is separated from the frame in the stl file for printing rea