[Protocol] How to make a PDMS device
Soft lithography is the first step to making a PDMS device. Below is a Nature Protocol Paper and a video explaining how this is done step by step.
Soft lithography for micro- and nanoscale patterning Dong Qin, Younan Xia & George M Whitesides
Nature Protocols 5, -491 - 502 (2010) Published online: 18 February 2010 | doi:10.1038/nprot.2009.234
Here is also a video showing every step in motion: