Filament Spool Holder (IKEA fit)

Remix of my previous IKEA fit spool holder. I have moved my Ultimaker extruder to the side of my printer, and there's an IKEA step in the closet on which I store my filament and some other stuff.
My earlier model worked perfectly, but I got a new spool that had a thinner inner diameter (40mm), so it didn't fit anymore. Designed this one to be sleeker and better looking.

Can be printed without support. Please share the results if you make one!