This is a compact rack for the Raspberry Pi's.

The boards are all placed vertically instead of horizontally. It consists of a single base and some small supports for each board. It's really easy to print and fits everywhere.

Design advantages:

Better heat management : the heat goes up and doesn't interfere with the board above because there isn't any.

: the heat goes up and doesn't interfere with the board above because there isn't any. No need for fans : heat can freely escape vertically.

: heat can freely escape vertically. Very compact design : this 5 slot stack has a length of just 14 centimeters.

: this 5 slot stack has a length of just 14 centimeters. Board support: it supports a wide variety of boards and disks.

It supports almost all the boards:

B+

2B

3B

3B+

Zero

Zero W

It also supports 2.5" Hard Disks or SDD's.

There is enough space below for WIFI dongles (see the picture).

At the moment it has space for 5 slots (if you need more slots just suggest it in the comments).

Requirements: