Mutable Display System With Hinge-Joints

For an exhibition I need a column that hides a monitor to show an endless loop of a video.

The idea was to create a system that is mutable. Here in the pictures you see a three-cornered column. But you could build a square one with the parts too - or just a zigzag wall.
All you need are the printed hinge-joints, some aluminium tubes (20/1 mm), panels and screws (3mm - the length depending on the thickness of you panels).
And there are connectors if you want to stack the panels, as well as p