Some products don't work with Iray renderer

mumia76

For examlpe vascularity HD has no effect if I use Iray.

Richard Haseltine

Try turning up the Render SubD Level to 3 or 4 - it's in the General>Mesh Resolution group in the Parameters pane with the figure selected. Unlike 3Delight, Iray does not spply as much SubD as needed but only the amount set in the parameters (object or surface).

larsmidnatt

4 may cripple your system...