Fidget Triangle Puzzle

A simple little puzzle - nothing special but I find myself fidgeting with it when I'm doing other things - hence the title. You'll need to print three of them and they can be made of anything - in the images above I have Silk, Sandstone and Marble. Printing as oriented in the STL and images should need no supports. You may want to use some Mouse Ears for adhesion or for a particular filament. Designed in OnShape CAD and printed with Orca Slicer. Now - can you take it apart? Can you put i