We saw many striped shimabori examples but didn't take many pictures. Here is an example. There is a person standing behind the stencil and she is not part of the design!
The technique looks simple because the cutter simply draws the blade along a straight edge. A minute inconsistency in the width of the stripe would be obvious to the eye. One centimeter can have 11 hairline stripes (22 cuts).
Here are a few stencils from a book. There are some variations on the stripes.