Use this model along with 2020 aluminium extrusion (or any 6mm groove aluminium extrusion).
I have 2 options for you:
You will need (with every unit of this piece):
The standard spool (around 20cm in diameter) should fit perfectly with the support stacked above each other.
Here is an example of how to use it :


In case you want to modify the file for your needs, feel free to remake it from the STEP file! Hope you enjoy it.
The author marked this model as their own original creation.