As my large 15" laptop is always plugged in to a monitor when I work in my office, I decided to draw & print this stand to save some space. This design works for laptops from 21 mm to 16 mm approximately.
I usually design things in Sketchup to print stuff on my UM1 or UM2. The designs are always accompanied by their source files for editing and a collada file for printing but if you want a particular format, just ask.