Circles and Lines
Up to now the patterns have involved drawing a line from a single point. This program is about exploring the turtle moving forward drawing a circle or polygon, while at each step drawing a perpendicular line before moving forward again. Once you have a function that draws the pattern, you can use it in different ways. The final variant explores the use of random numbers to generate the perpendicular lines.
Click on image thumbnails to see the full size.
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