If you can find someone with a 3D printer to help you out, you could look for something like this (or equivalent):
https://www.thingiverse.com/thing:3407025
There are a lot of really good files out there for ruined columns and pillars and walls and stuff like that. It's cheap, robust, and for something like this where perfect detail isn't necessary, a good solution. Hell, if you find some STL files you like, I could probably print some off and ship 'em to you, if you were willing to kick me some cash for the print time (filament is so cheap it's not even worth calculating the expens