<div dir="ltr"><div><div><a target="_blank" href="https://www.flickr.com/photos/glantriff/31562023692/in/dateposted-public/">https://www.flickr.com/photos/<wbr>glantriff/31562023692/in/<wbr>dateposted-public/</a><br><br></div>About
300 LOC, much of it comments. Changing 2 parameters generated STLs for
all of these. I had to do about 8 successful test prints to dial the
dimensions in really tight.<br><br></div><div>The plan is to release the
code under a GPL 3.0 license some time in the next couple of months.
If I'm real lucky, I'll find some fun 3D Printing contest to push it
into. I have some fun video demonstrating these in front of a fan. The
largest one (16 blades, tongue depressors) rotates at around 23 RPM at a
medium walk. The others take a slightly brisker pace.<br></div><div><br></div>-- CHS<br></div>