Apparently 95% of USA home locks use SC1 or KW1 keys... and OpenSCAD files can be downloaded to easily generate a 3D model of any key configuration using a stat

Apparently 95% of USA home locks use SC1 or KW1 keys... and OpenSCAD files can be downloaded to easily generate a 3D model of any key configuration using a statement like this for example: sc1([3,3,1,7,2]); http://www.thingiverse.com/thing:8925/#files http://www.thingiverse.com/thing:8925/#files ... then send it to your 3D printer