The Motherboard Tray is a custom designed piece of aluminum.
It is made to hold an ATX-Sized motherboard:
Drawing
Motherboard installation
The Motherboard is installed to the ITEM frame using the standard ITEM T-Slot Nuts. There are 3D-designed spacers which are used to install the mother board with the correct distance to the frame.
Left side of motherboard tray 
Right side of motherboard tray
List of parts
| PIC | POS | MANUFACTURER | ARTICLE NUMBER | DESCRIPTION | QUANTITY | REMARKS |
|---|---|---|---|---|---|---|
 | 010 | – | – | Motherboard Tray | 1 | Custom Design as per drawing |
 | 020 | – | – | Motherboard Spacers | 4 | Custom Design |
 | 030 | ITEM | 0.0.419.46 | T-Slot Nut 6 St M4, bright zinc-plated | 16 | |
 | 040 | ITEM | 8.0.002.07 | Button-Head Screw M4x14 | 16 |
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