Simplest Spool Holder

I made this because I don't really like the spool holders that hold the spool sideways or on the side of the machine, they seem to have a lot of friction.

This was the simplest way i could think of making a spool holder above my machine that has the least amount of friction possible.. i know there are a zillion other spool holders on thingiverse but thought i would share my idea.

This cost:
$2.66 for a 1 meter length of 20mm PVC pipe
$1.99 x 2 for the right angle joiners

I have uplo