Wades Gear preSprued

Printable wades gear that is preSprued.
Simply print with 2 shells snap together, invest and cast in 3.5-4" flask 5-10 at a time.
A brief overview can be found here.
http://depts.washington.edu/open3dp/2014/10/rapid-manufacturing-iteration-and-industry/

The casting videos can be found here:
https://www.youtube.com/watch?v=VAp1xOED-Kw
https://www.youtube.com/watch?v=YalLW_VQxdg

Troubleshooting and Walkthrough can be found here.
http://depts.washington.edu/open3dp/2014/11