If you can print the pattern and supply it to the foundry, the cost will be
low. But you should talk to the foundry about how to make the pattern.
Some patterns will warp as they cool. I think it has to do with the part's
thickness, or rather if there are thick and thin parts in the same
Google up some names and make some phone calls. There are literally thousands
of small foundries across the US. The trick is finding which one wants your
money and is most convenient for you.
Todd Zuercher
P. Graham Dunn Inc.
630 Henry Street
Dalton, Ohio 44618
Phone: (330)828-2105ext.
On Sun, 2 Apr 2023 at 18:30, hubert wrote:
I would appreciate recommendations on sources of custom castings.
It's helpful to be able to make your own patterns. Castings are cheap (I
pay about £10 / kg for one-offs) but pattern-making is expensive.
However, 3D-printing has made pattern making
