SEEED/Grove Mount

This is another small mount for the Grove/Seeed- Modules.
I use the original holes, so its a bit smaller.
Some modules have THT parts and the lower side of the PCB is not flat.
Others like the OLed have connectors on the back side, so same problem.
I`ve done one standard 20x20, a 40x20 standard and
a 40x20 OLed holder, which gives more space to the connector.
You can mount it on a plain surface, i.E. a pcb, wood or plastics.
Used screws are M2 nylons and i fixed the holders by adding so