About this 3D model
This heart box and pin are based on the exploitable heart by emmett - http://www.thingiverse.com/thing:6190 Emmett's stl file was reduced in resolution and converted to an openSCAD polyhedron command. Emmett's 3D heart is more rounded than thing:226907 - Hearts. heart_box.stl heart_lid.stl heart_pin.stl half_heart.stl OpenSCAD code is provided