All you need are these 2 parts:
These parts were optimized to print on a Type A Machine series 1. Mimimum build volume is 305mm cubed. These parts can however be separated by modifying the CAD files.
You can use the settings below as a reference. The parts are oriented in the center of the bed and ready to print "as is".
3 top/bottom shells
50mms print speed
about 24 hours to print
The support material is easily removabile by hand. You'll want to smooth out the handle using sand paper or a filing tool. Use flush cutter to remove any excess material from the edges with over hang.
The parts were modeled in Autodesk 123D Design and available to modify. The file includes the original solids and sketches.