3.02 has a refraction shader that will enable you to do this. It's not out yet officially but there is a preview build posted in the FB group: https://www.facebook.com/groups/ToolbagUserGroup/
Polyline Pro version 3.2 is available. Changelog: -- Added Parallel to 2 points Object snap. Video demonstration: https://www.youtube.com/watch?v=Ig0VRzoYDEE
Hi, I'm new and bit late to the challenge :blush:anyway, started with Week 2 sbs: https://dl.dropboxusercontent.com/u/11712090/Week%202-%20Bronze_Copper%20Slab.sbs