Stand for sign with 90° point

I made this small stand to hold upright the small metal "MINES" sign, used to mark mine fields, in my display case. It will hold any similar sign, with a 90° point at the bottom, up to 1/8" thick.

##Specs:
+ **Dimensions:** 2.5"W x 0.963"D x 1.5" high
+ **Volume:** 0.5 cubic inches
+ **Weight:** ~0.02 pounds