Custom framing can be expensive. Save yourself a ton of money and hang large photos or posters in your own minimalist glass frames. If you have an odd size print, you can get custom-cut plexiglass.

The ordeal of framing large paintings, prints and photos can squeeze an art budget like a tube of cadmium red under a bicycle tire. A 5-foot-by-4-foot poster can easily cost $1,000 to mount, for ...