Have You considered using Jett Sett ? I had purchased another pound
to use as a mold. Place the Jett Sett into a jar cap of the right
dimension (heat the stuff in 180 degree water ) Then place into a jar
or cap of metal. Press the original model into the Jett Sett and let
it cool.
You can pour hot wax into the mold or use some wax sheet or boxing
wax . Let the hot wax cool completely before removing it. It does not
take a lot and a pound goes a long way. I have purchased the Jett
Sett from either Rio Grande, or Swest .
Rob, I tried it with Plastiform, which is basically the same as Jett
Sett. It gives a better result than Plumbers putty on the condition
that your model is made of metal. It’s useless for wood, as it sticks
to it. I will try out ceramic clay soon - becoming a specialist at
this … :-).
Will
Do not mistake patriotism for support of the rulers
Rob, I tried it with Plastiform, which is basically the same
as Jett Sett. It gives a better result than Plumbers putty on the
condition that your model is made of metal. It's useless for wood,
as it sticks to it. I will try out ceramic clay soon - becoming a
specialist at this ... :-). Will Do not mistake patriotism for
support of the rulers
You might try painting the wood (or any material that the mold
material sticks to) with potters soap or silicon. May work just
fine.