Spool Holder - free standing

I needed a new spool holder that fit the following criteria:

- can hold a 2kg spool (or any really large or wide spool)
- spool can be slid off and on, no screws or caps or anything, yet will not fall off
- free standing

So, I came up with this. It is extra tall and the filament support "rod" is extra long, but the unique thing about it is that the rod has a slight upward angle to it so the spool can't fall off. Because there's no "lip" at the end like most spool holders, I can fit eve