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This shows how to make a simple injection mold for an SP3 injection molding machine using the CAD files I provide and inexpensive software. Unfortunately not many SP3 injection molders were made or lasted as long as this one.
CAD files can be found here
https://docs.google.com/folder/d/0ByuggDfTcLJJZHpuOEMzMUVKMnc/edit
- Music written by Tom Cusack