The cards I purchased only came with the low profile brackets as standard so I designed these in Fusion 360 as replacements.
These print laying flat and both the PCB mounts and the stiffening brace fold back into position after removal from the print bed.
Printed in Black PETG on a Prusa Mini+
0.2mm Layers, support is only necessary for the slot for the case screw.
The author hasn't provided the model origin yet.