Final project

For my final project, I wanted to explore further the possibilities of making molds with bio plastic. On my first approach I had problems with shrinking process after cooking the bio plastic. I read that “wood flour” or “saw dust” should prevent from it. Additionally, I wanted to explore food colors and tattoo colors.

First I printed a new 3D object on the Makerbot and made a mold out of it:






Comparing to my last bio plastic experiment, my second attempt didn’t went out that well.
I figured out that the colors I used delay the drying process of my bio plastic. Last time I used special sculpture colors. Furthermore, the casts were extremely brittle.

The recipe I used was: 
1 table spoon | Corn starch
1 table spoon | Water
2 tea spoon | Glycerin
1 tea spoon | Vinegar

Ingredients Properties
Vinegar | Less brittle
Glycerin | Flexibility / Moldable
More Starch | More rigid
More Water | Less consistent

The colors I used:

Without colors:

Red food color with “wood flour” / “saw dust”:

Cast with red food color:

Cast with black tattoo color:

Another tattoo color:

Cast with only food color:

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