Needing a base for your free-standing column? How about free-standing 1/2 ARCH! OOH what about OUTDOORS?!
 
Yep-- this is the DIY base for you then! The materials cost under $20, and can be re-used for years. (ask me how I know ;) 
 
This recipe includes everything you'll need to create your own base! Everything is linked if possible. Making it too easy!