bagginsbill opened this issue on Oct 29, 2008 ยท 247 posts
mathman posted Tue, 05 April 2011 at 11:13 AM
I believe I have stumbled upon the solution. Originally, the RB attribute of the Refract node was 0.03. Very small, but I reduced it by a power of 10 (to 0.003). The problem went away.