Wouldn't this be a great way of replicating PMC masterpieces??First of all, get the set with the DVD and then watch it! If you haven't got the DVD then there's a very good set of YouTube
vids by Andrew Berry...
Here's what I did to make the first of two ball ends for a bangle1) Clear your work surface, get the clay out and chop it up (I used a metal edge ruler and it was easy)
2) Make sure the clay is soft and
mouldable3) Using the smaller of the two rings turn it upside down (so the joining part is on the bottom)
4) Force the clay into the mould packing it tightly then hammer down the excess on the top.
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5) Scrape off the excess to give yourself a flat surface (metal edge ruler again)
6) Turn over and push your master 1/2 way in (in this case my round plastic bead).
7) Use the edge of the ruler to make sure the clay meets the edge of the master.
8) Talcum Powder the master then brush off excess with a soft brush
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9) Join up the rings making sure the alignment score marries up
10) Fill the top half with clay & Repeat the tamping down process
11) Gently wiggle the two halves apart
12) Carefully remove the master.
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13) Poke a hole from the cavity (where the master was) through to the back I used a small drill bit
14) Following the instructions on the
vids carve a funnel that ends in the hole you poked in the cavity (this is what you pour the metal down so it needs to have plenty of room).
15) Clear Debris & tamp down any loose clay
16) Because my bead was round I then did angled holes from the edge to let the air escape.You can see this best on the delft video.
17) Join up the two rings aligning the marks again
18) Using your
pre-prepared crucible, heat up the metal until it's a moving liquid.
19) Keeping the flame on the metal pour the metal into the moulds spout. (There will be Flames!)
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20) You can quench the casting in water (rings and all) as the Delft clay doesn't absorb water. NEAT!
21) Once cool gently ease the two halves apart to inspect your
handywork.(please ignore the outside holes ~ in the end I did 4 diagonal ones) This part was quite exciting!!
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22) Carefully remove the casting and discard any blackened clay (the rest can be reused).
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I love my little Sputnik - Here's a closer look
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23) Start the finishing process.....You may want to leave the
sprue on if it's a fiddly job (you can saw it off last)Here's the casting looking a bit more like the Ball end of the bangle it will be soldered onto!
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Hope you enjoyed sharing my first experiences....it wasn't half as scary as I thought it would be....
Why not have a go yourself? Though I hasten to add at your own risk,
yadda yadda don't set yourself on fire (did I mention there are
youtube vids?)
Nic xx