Creality Spool Holder Modification

I wanted to mount a spare spool holder I had onto my wall. The problem is the spool holder is meant to stand upright instead of sideways. I designed this to slide onto the rails and hold the spool up without falling off.

I designed this for a reality multi-kilogram spool holder
https://a.co/d/hwqzBCp

There are holes for M3 set screws if needed, but friction works fine.