SBC Server Case V2

This is a modular Single Board Computers enclosure for up to 4 devices. The device cards are held vertically. This design let you service one card without
having to remove the cards on top of it like in the previous design
(https://www.thingiverse.com/thing:4700165). This new design can still hold up
to 4 cards containing Raspberry Pi, Arduino's, ESP32, hard drives, etc. My
server case contains a firewall, a DNS and DHCP server and my IOT management
system.

The whole case is powered using a single 12V power brick. The cooling of the
content of the case is provided using a single 120 mm 12V computer fan.

You may need some cards not provided yet. Feel free to contact me if you need
some cards. As of today, cards are available for a Raspberry Pi 3/4 and buck
converters. It holds up to 3 XL4005 based buck converter to supply the
Raspberry Pis.

A card is 12 cm by 15 cm. The distances between the cards is 3 cm.

Support material is required for the outer shell bottom (Cas