The file 'Parametrized Owl Headphone Wrapper 3D Printer Model' is (scad,stl) file type, size is 6.1KB.
I liked the design of http://www.thingiverse.com/thing:870, but I wasn't able to change it to fit my headphones in Sketchup, so I re-encoded the design in OpenSCAD and parametrized it.
