*<ahref='https://www.youtube.com/watch?v=UXNSlxXjzhk'>sheet metal gems part 1</a>
*<ahref='https://www.youtube.com/watch?v=_CPkUqedqhA'>sheet metal gems part 2</a>
* Rhinoceros 'UnrollSrf' Command
* Solidworks sheet metal
* 123D Make
* ExactFlat
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*<ahref='http://docs.mcneel.com/rhino/5/help/en-us/commands/unrollsrf.htm'>Rhinoceros 'UnrollSrf' Command</a> to get <ahref='http://www.instructables.com/id/Giant-Inflatable-Robot/'>patches</a>