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:
IMG_2263

IMG_2274

IMG_2275

IMG_2276

IMG_2277

IMG_2278

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:
image-3

Without colors:
image-1

Red food color with “wood flour” / “saw dust”:
image-2

Cast with red food color:
image-4

Cast with black tattoo color:
image-5

Another tattoo color:
image-6

Cast with only food color:
image

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