Here is how I made my GLaDOS headpiece! It took me two evenings to make. (The paint coats took the longest!)
Disclaimer: This is how I personally made my headpiece. I don't claim this is the right or easiest way to make a piece like this! I was short on time and money.
If I had to make this piece again, there are a lot of things I would change.
Estimated Cost of Materials in USD:
Styrofoam Circle: On sale for $8 (regular price: $16)
Black Paint: 1.99
White Paint: 1.99
Craft Foam (package): 4.99
Poster Board: 0.79
Sewing Pins (package): 1.99
Tea Light (Package of three): 1.00
Head Band: 1.99
Approx. cost: 22.74 (assuming you already have a hot glue gun)
Again, this headpiece is not as accurate as I would like, but I hope this tutorial gives you some ideas on how to make a headpiece of your own! I hope you get some good ideas from how I made mine!
Costume accessory made by: ~ember-ablaze
Series: Portal 2