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Kim shows you how to make a 2 part mold using cuttlefish bone.
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Kim - "Next up for #makeitmonth12 is casting into a mold. You can make 2 part molds from a variety of things which you then pour molten metal into. One popular choice is cuttlefish casting. You use a bone from a cuttlefish and carve or press your design into it. This bone was found on a beach but you can also find them in pet stores as budgies like to eat them. You prepare your mold by cutting the cuttlefish bone in half. They are usually soft inside so you can smooth the inner surfaces by rubbing them together. You won't want to breathe in the dust so make sure you wear a mask and maybe go outside or work on a newspaper or a tray to collect the offcuts and dust.
You can either carve a design into them or push something into the soft bone. If you push, make sure you do it carefully so you don't snap it as I did! 😂🤦♀️ But as you can see, you can normally still use a different part of the cuttlefish. You'll need to carve a channel into the bone for your metal to be poured into and bind the two pieces of bone securely so the metal doesn't pour out the sides.
We didn't manage to film the pour...it was one of those days! I filmed half the footage the wrong way up, or the camera didn't record or it cut off right before the metal poured! So I'll do another video of this technique later and post a sand casting video next which shows how to make a channel and pour metal into it."
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