Funny, I never even gave it a thougth as to what the eggcrate was made of... I'll check into it - hopefully it isn't pvc!

Anyone know what they are made of?

Gary

Also be sure it is not styrene. My two laser fires were caused by that. The beam goes out of focus as it goes to the bottom of the grid, and styrene WILL catch fire eventually.

I am now using Mike's grid and find it very good.

Philadelphia, PA (Really Bensalem)

When you finally understand it completely... it changes.