@Billyaabob When you have tagging questions, you'll get better responses by asking in forum topic #12251 than by asking in the comments of a three year old upload.
Anyway, we have a caustics tag that has been used for what you're describing for a while.
@Billyaabob When you have tagging questions, you'll get better responses by asking in forum topic #12251 than by asking in the comments of a three year old upload.
Anyway, we have a caustics tag that has been used for what you're describing for a while.