TraxNYC · 47th Street Diamond District

The Smeltby TRAXNYC

Every piece we make starts as raw casting grain. Pour from the jars, watch it pile in the tray, hit smelt, and see what your recipe turns into — karat weight and all.

The Assay Master, arms crossed in his foundry apron
Raw stock

Press & hold a jar to pour · tap for a 2 g pinch

On the scale

0g / 250 g max

Tray is empty — pour something in.

Or load a bench classic

Melting points, fineness stamps and alloy recipes reflect real bench metallurgy.
Made by TraxNYC — custom jewelry, cast & set in New York City.