Wear gloves, eye protection, and an appropriate mask if you’re going to do any sanding. Carbon fiber is a great material, but if you breathe in the particulates from sanding, it could cause lung damage. I would imagine there is similar risk if it gets in your eyes (hence eye protection). The gloves suggestion was there because you feel concerned about skin contact.
The standard, “print only in well ventilated areas” always applied, because heat + polymers = noxious gases.
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