Molding:
On the first day during class, we got to figure out the correct volumes / weights to use to get a good consistency for the mold. I used a popsicle stick to ensure that the alginate and water were adequately mixed together. Sometimes, there would be pockets of dried powder at the bottom that I made sure to mix up as well. Once I had the correct amount and consistency of alginate, I stuck my pointer and middle finger into the mixture. I waited for about 10-15 minutes before removing my finger from the mold.
Casting:
Now that I had two molds of my fingers, it was time to cast them! I mixed the plaster in a 2:1 ratio then added water as needed to get the correct consistency. I thoroughly mixed up the powder and water with a popsicle stick before pouring the plaster into the finger holes. Putting screws into the top of the fill and securing them to the cup with tape, I left it to dry overnight. The next day, I removed the fingers and sprayed painted them with a clear coat.
Overall, I really enjoyed seeing the level of detail that this type of shape transfer can retain!
Cost AnalysisÂ
alginate – 100 g = $0.75
plaster: – 100 g = $0.50
screws : $0.10
time: 3 hrs = $35
Total cost ~$37 for two fingers