OpenSCAD Parts Library

I've been using these OpenSCAD modules in my models, developing new parts for my different projects. I decided to compile the parts into one library and release it into the Thingiverse wild. Several people have been looking for printable washers and nyloc nuts recently, and have released them as individual things. Also, someone just asked me for specs on the dovetail I used on my makerbottable filament spool. All of these things are in my library, including:

Shape primitives
Hexagrams,
Equilateral triangles (prisms),
3 sided pyramids and tetrahedrons,
4 sided pyramids including a Johnson's Solid square pyramid (a cube cut along its diagonal),
tubes (hollow cylinders with variable wall thicknesses),
slots with selectable round or square end(s),
teardrop (as designed by whosawhatsis, www.thingiverse.com/thing:3457)
dovetail pins and slots to attach parts without connectors,
rounded corner rectangles, and
keyhole slots.
The rounded rectangles and keyholes can be seen m