Hi guys, I'm looking at converting my desk to a standing desk because of back issues. I am at the computer a lot and I know this would help. (I tested by using my Macbook Air on a shelf for a long time). Standing desks by themselves are insanely priced ($1000+ for a desk that couldn't even hold my monitors!) so I was going to convert this desk (well, a similar one, mine has an extra attachment): To a standing desk by putting something under each leg. My question is has anyone done something similar? If so what did you use to put under the legs? These desks are insanely heavy by themselves let alone with computer equipment on top and I was wondering if anyone knew of something strong enough I could put under each leg.