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ESPKVM create a 3dprinted case with Freecad

29 september 2026

After building my ESPKVM, the bare boards were sitting on my desk with HDMI, USB and Ethernet cables hanging in every direction. It works, but it isn't something I want connected to a server rack. It's'time to give it a proper case.

The case was made in Freecad, this took some time but I got this model that feet with my needs :
- all ports must be accessible
- a small oled ssd1306
- some ventilations holes
- HDMI capture board C790 must be in the same case

First get all technical drawing for both board, that's really help to build the case in Freecad. After 13 iterations I finally got a I finally get a usable version with what I want for the case.

After Freecad and Orcaslicer I printed the case with PLA with all defaults values and setting for Orcaslicer, with an Eleggo Centauri Carbon in 45 minutes.

Rather than a long explanation here the result with photos :

The last modification for the case is a hole for the usb-otg cable, this hole go on the same side of the hdmi plug. I order the usb-otg cable some days ago but still not there.