http://www.instructables.com/id/Make-Your-Own-Razor-and-Shaving-Brush-Stand/
All you need is a wire coat hanger & a pair of pliers, you wont get much cheaper than that.
Nice job there!
A quick google search gives somewhere between 3 and 3.5 inches for the diameter of a standard mason jar (which is what the instructable said was used) so that might be what's wrecking the stability.
Cool!
I made my own stand when I first started DE shaving:
Stand
There was a little more involved than in yours, but the price was the same...
AH! Thank you, will try again at a later date. I might spray it too if it comes out ok. Something bold perhaps, red.