Maybe if you are most especific, what render package you use? or maybe post in other sub forum like http://www.sketchucation.com/forums/scf/viewforum.php?f=80 with the title, for example {vray} Help with sandstone texture or {maxwell} Help with sandstone texture
Regards

provides plugins (extensions) for SketchUp
for drawing curved tapered shapes common in architectural and ornamental metalwork and for calculating the amount of stock required to fabricate the tapers.






