For those who may be interested, I've posted some 3D Printable models for mounting to a wall or backboard a Raspberry PI Zero in a Flirc case, as well as Victron VE Direct / MK3 - USB cables.
These are free / open source models and can be found here:
(Raspberry Pi Zero in a Flicr case) https://www.printables.com/model/805682
(Victron VE Direct / MK3 - USB cables) https://www.printables.com/model/805001
Additionally, I have an earlier 3D print for a Raspberry Pi 4 in a Flirc case posted here:
https://www.printables.com/model/792276