Filament holder

This is a filament holder made to hang on to a 18 mm thick shelf (standard laminated MDF shelf). It is still a thing in progress. Let me know what you think of it. Love to hear your feedback. The bar needs to be printed seperate because of its size
I printed this on a ultimaker original+ in PLA
settings:
layer height: 0.2
fill: 20%
printspeed: 50 mm/s
nozzle temp: 220c
bedtemp: 70c