Point tracking output from testing video taken using a stereomicroscope at 0.63x magnification of 1:15 PDMS. Yellow lines indicate tracking paths. One red line directly connects the center points of the sample-attached and static element points. The other red line indicates where the sample-attached point would have been without the presence of a ...

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Testing video taken using a stereomicroscope at 0.63x magnification of 1:15 PDMS demonstrating which pixels are selected as belonging to points to be tracked in yellow. Only every other pixel was checked for the appropriate color to reduce processing time

Edge tracking output from testing video taken using a fluorescence microscope at 10x magnification of 1:15 PDMS. Yellow lines indicate tracking paths

Testing video taken using a fluorescence microscope at 10x magnification of 1:10 PDMS demonstrating which pixels are selected as belonging to edges to be tracked in yellow. Only every other pixel was checked for the appropriate color to reduce processing time

Folder containing 3D-printable components of mesoscale testing device

Animation of piecewise cubic polynomial fitting to data from a replicate of 1:15 PDMS performed in order to obtain stress values at exact increments of strain