Summary

This is a functional demo piece for rapid manufacturing. The piece if fully printable without support generation. Printable supports, sprues and vents are all designed into the model. This is meant to be cast in aluminum as a collective heat sink. [2 Nov. 2014]

More explanation can be found on the Open 3DP website.
http://depts.washington.edu/open3dp/

http://depts.washington.edu/open3dp/2014/10/rapid-manufacturing-iteration-and-industry/

http://depts.washington.edu/open3dp/2014/11/rapid-manufacturing-mk3-detailed-walkthrough-troubleshooting-guide/

24 hour turn around to make the cast part… photos attached. Assembly and testing is next before the MK3 iteration [3 Nov. 2014]]