casting a long thin shape.
I want to cast a thin branch in pewter (because it was cheap, but open to suggestions). I was considering buying casting sand, as there is a 50 x 25 cm mould that would be a good size, but I thought the pewter would probably get stuck in the top, even with vents.
I thought about making smaller sections and welding them together with a soldering machine, in which case I would like advice of the maximum size i could make each one, (the twig is around 1cm^2)
or doing an open-air mould, of only one half.
Thank you for reading,
Grateful beginner