Corona Slicer Material Issues and Solutions
1. Using Corona Light Material in the slicer material may lead to black appearance on caps
Solution: use a material with self-illumination enabled instead.
See: Should I use Corona Light material or Self Illumination to illuminate my scene?
2. The displacement in the material included in the slicer material will be ignored. Material with the problem : ....."
Solution: do not use displacement in the cap material as it is currently unsupported. Use bump instead, or nothing at all.
For general information on using Corona Slicer, see: