I wanted to use the marble run from https://www.printables.com/@FlyingPurpleCow but on on a Ikea Skadis system so I made this mount.
here are the compatible parts.
https://www.printables.com/model/26793-peg-board-marble-run
I guess we could use the same system for other attachments to Skadis.
Print:
I use PETG with 100% infill and a bit of support
on the last picture you can see a bit the evolution of the model
The author marked this model as their own original creation.