Simple laptop stand that can bring the laptop higher depending on your maximum print size. 

The two supports are connected together by one or two spacer bars. These have a friction fit with the main supports and can be disassembled for flat transport.

The design can be customized in Freecad using the parameters in the spreadsheet.

Print instructions:

Print two cross bars and two main supports. 

Print time with 0.6mm nozzle is roughly 4 hours

Most materials should work.