@MissJinx there are a few but some are just rebadged versions of other slicers. Prusa/Orca and Slicer are two I have tried.

@FearTheCron @YourAvgDuckHead According to encyclopedia Britannica, I'd say a fairly reliable source, your out by a factor of 100. https://www.britannica.com/science/chromosome
A human blood cell is approx 10 micron long, according to this... https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2998922/
Apologies for the pedantry, I couldn't help it.

@PeleSpirit @topinambour_rex yes, you can. With a dual extruder printer. Or if pause the printer mid way through and change the filament, is recommend using a printer with filament detect, it should move to the side so your prints don't get damaged by the hotend.

@PeleSpirit good luck. I didn't regret it. Been lots of fun!

@parallax I can vouch for the Mars 3. To some extent it depends on what you are printing but 28mm miniatures are great.

@KroninJ picks to remove supports