Show hn : DIY - sit | stand | away - laptop workstation
sourceforge.net
cost ~$100, consists of 2x4's, shelving standards, hinges, thick wire, clamps, high tolerance for poor skills!
sourceforge.net
Once I settle into a more permanent location, I'm going to get two height adjustable stools, the air pressure cyclinder type, and put a desk on that with a bar between the pressure switch so they both go up and down at the same time.
That seems much less complicated than this one.