OpenMV H7 Camera Case Bottom with Triangular Mounting Pattern

This is a remix of the bottom/back portion of the OpenMV H7 Camera case found here
https://openmv.io/collections/cams/products/openmv-cam-h7-case and here:
https://github.com/openmv/openmv-boards/tree/master/cad

It allows three M4 nuts to be embedded in the case to facilitate mounting with M4 machine screws and (optional) mount adapters

A set of compatible mount adapters (some of which are shown in the pictures above) can be found here:
https://www.thingiverse.com/thing:4320803

M4 x 8mm button head screws work nicely with this case mod and the mount adapters above.

Notes:
1) Obtain the top portion of the case from one of the links above.
2) This mod increases the thickness of case by approx 3.4mm. I don't know whether this prevents its use with the OpenMV display shield when unmounted, but it seems likely.
3) This mod reduces the available area of the vent slots. Flush mounting or flush mounted adapters may completely cover the vent slots. I don't know whether this is