print @ 40mm/sec max these settin...gs are what I used for the samples.* generating settings: 5 levels for small; 10 levels for medium 0.3mm tolerance 4mm maze path (unit spacing) 5u tall maze 5u wide maze 0.8mm wall thickness difficulty 100 shift mode 2
minor clean up etc.
larger shells can get stringy. clean out the inside a bit. be sure to test the fit of parts. also a little bit of grease/oil may help keep the nubs from scraping off.
How I Designed This
a lot of code tinkering...
found an openscad file in the comments. tweeked, tweeked, and re-tweeked while writing my python code. And now on Github.