This is an all in one mount I designed to contain a Raspberry Pi running Octoprint, a remix'd OLED Display for status and a camera mount for my Anycubic Mega-S.
I won't go into details around wiring as that is super straight forward, but I will list the parts needed to complete this mount as designed.
8 x M3 5mm
2 x M3 12mm
1 x M3 20mm
2 x M3 Nuts
2 x M3 Washers
9 x M3 Thread inserts (https://bit.ly/2Fmldik) (They are magic!)
4 x M2.5 12mm
4 x M2.5 Washers
4 x M2.5 Nuts
60MM x 25MM Fan (I recommend the Noctua FLX)
12V to 5V DC step down, BEC circuits work great (https://bit.ly/2uq3bGZ)
Parts as noted in OLED tutorial here for screen: https://www.thingiverse.com/thing:2884823
Microsoft Lifecam 720 (https://bit.ly/2JuXbXB) - can easily design other mounts though to bolt on.
Misc wire, header connectors
Easy to print, no supports required.