REFLECTOR: Forming molds

[Richard Riley]

At 08:28 AM 4/20/2006, you wrote:
>What type of clear sheet did you use?  How did you warm it up?  I've 
>always gotten bubbles in the stuff I worked with.

I've made a lot of vacuuformed stuff out of 1/8" acrylic (plexiglass) 
with a machine I built from these plans

http://www.halloweenfear.com/vacuumformintro.html

Never any bubbles.  Occasionally a wrinkle, depending on the form I 
was using, the heat, time, etc.