About this 3D model

UPDATE 2/13/17 Revision 2 that I worked on way back when but never had the need to make again. Remade them this time in stainless steel on a water jet cutting machine, but the vector and source files uploaded are the slotted and tabbed versions intended for a CNC router or laser cutter. Enjoy! Portal inspired book ends! Cut out on a shapeoko 2, but a laser cutter would work well too.