Hi. There is no real instructable here. I just thought it was a fun idea and wanted to share. I t has been about 15 years since i have carved a pumpkin. it was fun and satisfied some of my more detail oriented tendencies.  hope you like both of them. happy Halloween. 
A fan in theory, yes. in practicality, no. just a fun idea for a pumpkin. congrats on the cat scratcher. its been a big hit with my guys.
I didn't know you were such a big math fan. <br> <br> Happy Halloween.

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