Ideally, I would like to "fuse" the faces I cut out of CDs. Since they're basically plastic I can imagine I might melt them together if I could control the temperature. I'm sure there's some kinds of glue that bonds plastics really well. What I've tried in the past have eventually turned brittle and ...

I've never used a dremmel; how do you use it to cut CDs ? What is the accuracy like ?

http://thumb11.webshots.net/t/76/176/3/84/23/2764384230102959631dOyAdX_th.jpg

There are multiple kinds of "disks" you can easily buy. With a marker I draw a line on the CD to indicate the shape I want. You ...

At first my reluctance to give people models I've made stemmed from the fact that I thought people wouldn't really enjoy them because they thought polyhedra were too "geeky". However, over time, I've learned that most people actually find them kinda interesting.
I have given some models as gifts ...

http://thumb11.webshots.net/t/72/72/8/81/42/2880881420102959631ALFDoO_th.jpg
I cut the cds with a dremel.

http://thumb11.webshots.net/t/87/87/5/69/17/2875569170102959631LGhlaR_th.jpg
Here's what the final model looks like. I painted the cds a blue-green. The silver pentagons are cut from ...

I have tried many different kinds of materials I can lay my hands on easily to make my models (including paper, cardboard, paint stirring sticks, used cds, pop cans). So I'm curious to hear what other people have tried using.