Report as Inappropriate

You are reporting a comment on Customizable Lithopane as a violation of the Thingiverse Terms of Service. Thank you for taking the time to bring this matter to our attention. To help our team best respond to this issue please take a few moments to describe what brought this matter to your attention.

Works for me. Is your .dat file in the same directory (but I would expect an error msg). Try a # in front of surface()??