These Paper PCB Frames are part of the Frames & Bottom Plates, they could be used for all kind of Paper PCBs. It will help to protect the back and the sides of the boards to prevent short circuits.

This is an example how a frame for the VGA & Sound Blender looks like:

For attaching the Paper PCB Frame to the board one needs a 2.5M 4mm screw.

Frames for the Paper Bits one find here: Frames for Paper Bits.

Most Paper PCB Frames are designed for 1/3rd and 1/6th of a 10cm by 16cm copper stripe board like they are usually used for the Paper PCB design.

1/3 of a copper stripe board:
paper-pcb_frame_1-3_03.stl.zip

1/6 of a copper stripe board:
paper-pcb_frame_1-6_02.stl.zip

Miscellaneous:
VGA & Sound Blender Frame

These 3D-objects are designed by Wolfgang Spahn 2016-20.
They are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.