Adafruit Backpack 7" 5" HDMI + Pi to Vesa Mount

Fits at least the following displays:
https://www.adafruit.com/product/2232
https://www.adafruit.com/product/2260
https://www.adafruit.com/product/2406
https://www.adafruit.com/product/2407

Fits Vesa 75x75 or Vesa 100x100 mounts.

Fits Raspberry Pi 1B+, 2, 3, 4.

The source SCAD file is maintained on github:
https://github.com/bkw777/adafruit_hdmi_backpack_vesa_adapter

Screws:
Vesa Mount: M4 (length depends on pi & pi accessories)
Display: M3x8
Pi: M2.5x6

Standoffs for Vesa:
https://www.amazon.com/dp/B014KJKWWW/

Short ribbon cables and 90 degree adapters for the HDMI and USB for the display:

Search "hdmi ribbon" on ebay or aliexpress
https://www.aliexpress.com/item/32862500237.html A2 + D2 + 20cm cable

Search "usb ribbon" on ebay or aliexpress
https://www.aliexpress.com/item/33035211371.html A2 + C2 + 20cm cable

There are other displays which look very similar and may have the same bolt pattern, but may or may NOT fit without some tweaking. For instance Velleman VMP402:
https://www.velleman.eu/products/view/?id=439070
You would need to look at if there are any components that stand up more than 6.5mm from the back of the pcb, to see if they interfere with the diagonal frame rails, like the hdmi connector in the corner, and if there are any components at all in the 4 vesa mount screw post locations. In both cases the fix is just increase the sph=6.5 value in the customizer, or add washers between the frame and the pcb. If adding washers, then also use longer screws.

The vesa 75 stand shown in the pictures is https://www.thingiverse.com/thing:3808242

If you want to print without supports, you can set Pph=0 in the customizer, and then add your own washers or spacers and longer screws to mount the Pi.