TechShop held a lifecasting class.  I had already built a 3rd hand out of a few 2x4's -- see:


This time, I thought that I would try something with some additional "personality" -- I'd wanted learn a different method to make a 3rd hand ;-)

Step 1: Mix the Silicone and Apply

Use Body Double® Skin Safe Lifecasting Silicone Rubber fast set and dole it out with a tongue depressor into paper cups about 1/2 full.  It is a two part RTV product, so when you are ready, mix the green and blue thoroughly.

Put a 2 foot square of brown butcher paper down on a table so that you don't mess up the table during this process.  Place your hand firmly on the paper, and use a Popsicle stick  to apply a "beauty coat", a thin coating to the hand.  That will allow you to pick up all of the detail.  Once the first coat is on, slather the rest on so that your hand is covered.

Wait about 20 minutes for the "fast set" to set.
Will this go mouldy?

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