Thanks Simon. I think I'll wait for the next Cura version (that I think is just about to be released). It would be a nice test case.
By the way, I used Sculptris before and found it a bit complicated (the ZBrush legacy is clearly there). Meshmixer 2.0 from Autodesk is also free and fun to use.
It;s probably just an artefact of how the latest Cura slices it.... I have a larger print here on my desk, and looking at it, those parts of the ear are really thin; scaled down, you're probably getting to less than 1.5 times the nozzle width, causing Cura to ignore it.
You could try a different slicer, or try claiming a smaller nozzle size, and see if you can persuade it to slice. Or use a tool like Sculptris to thicken up that part of the ears a bit.
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