Blu-Ray microscopy: What the LadyBug project was always supposed to be about.
My Master's was in biomedical engineering, These drillbits are actually pretty neat.
This was fun! I'd like to see a better version some day.
It's just following a centroids file and doing traveling salesman.
FDM metal printing
Chainmail. Can't machine it, can't cast it. Great choice for FDM metal printing.
FDM Glass Printing
But if you treat it right, you can make a bowl that holds water, too.
Because it's easier to print with than honey (long story).
Learn some tricks with TinkerCAD