Australia
Hygrade Casting
Sydney, Australia · Last checked 10 November 2026
A blank means this house has not published that figure. It is not filled in from another caster, and it is not a suggestion.
- Minimum wall
- 0.50 mm minimum wall thickness. They describe anything thinner as a risk of shrinkage, porosity, distortion, breakage or a miscast.
- Minimum shank
- Not published
- Prong minimum
- Not published
- Bezel minimum
- Not published
- Finishing allowance
- Expect to remove 0.10–0.20 mm of surface material when cleaning and polishing. For a heavy-handed bench they say you might add up to 2% compensation.
- Preferred file
- Watertight STL with sprues and flow gates in the file. Mesh tolerance must be set to 0.015 mm.
Sprue tip diameters: 3.2 mm for small to standard pieces, 4.1 mm for larger pieces. Flow gates: 1.40 mm minimum in their examples. Edges should be rounded to at least a 0.125 mm radius. Raised text: minimum letter width and spacing 0.30 mm, maximum height 0.50 mm. Large, thick pieces: increase dimensions by 1.00–2.00%. A master for moulding may need 2–4%. Their wax printers are described as having zero wax shrinkage.