I needed the base and felt it was well designed. I was disappointed it didn't fit my Overture PLA spool but realized the base could accommodate the overture brand if I had a better fitting spool rod.
I printed it vertical with supports. I was hoping the ridges in the layers would reduce any potential lateral movement of the spool. Horizontal printing would likely save you plastic, though.
The author remixed this model.
It's shaped like a barbell to accommodate much larger holes in the overture spool.