Most of these hacks (and the comments in this post) miss a crucial point about standing desks. They are supposed to be ergonomic. [1] Putting your laptop on a bunch of boxes puts a lot of strain on your arms. Of course this also doesn't work if you have a big display on your desk. I'd be interested in hacking a standing desk that is 1) ergonomic 2) offers support for both laptops and big displays 3) has a usable keyb…
Correct me if I'm wrong, but wouldn't a proper ergonomic standing desk have a bar or step to rest a foot for long-term activity? Also, are you supposed to hold your elbows in that position for long periods of time? I feel like there should be an extension to rest the forearms or wrists.
If you're standing with proper posture, your upper arms are nicely aligned with the body, and your muscles should easily support the minimal weight of your forearms.
Edit: incidentally, as I'm experimenting with a standing desk, I have a stool which is about a foot too low to stand on. I do, however, find myself using it to accomplish all sorts of odd leg positions and stretches.