Filament Translucency Test Strip for Lithophanes

There is a lot of information about generating Lithophanes on Youtube.com, etc. They usually focus on the process of generating the final product, and often say that the user has to experiment with the settings that work best with the filament they are using. There are a lot of good ones, but I found this one is loaded with great technical information that can help in your understanding and making good Lithophanes. www.youtube.com/watch?v=KRdMwuBQQ0U The title is Getting to Grips with Lithoph