Print on the side with tree supports enabled.
This works as a base for accesories. Modify and add your own attachments to this base that can be secured with screws.
The knobs are secured when stored but also easy to extract when needed when the clip is attached.
Works well and snaps if printed with 0.2.
The author remixed this model.
Based on the scan that I made, I created this controller clip that can be used as a base for accesories.