Update 'README.md'

2 months ago · e30f8834d6
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@ -4,6 +4,8 @@ experiment repo for knitting punch cards

 initial test.scad is by [Dr. Laura Taalman](https://mathgrrl.com/hacktastic/2019/05/punch-card-knitting-machine-patterns-with-openscad/). thx! 

+![](punchcard.png)
+
 how to use:
 1. modify the "patterndata.scad" file (edit the 0's and 1's)
 2. open test.scad in openscad and render it