sprue

beta

CAD that feels creative

Sculpt castable jewelry without the learning curve. Start from a gem, draw your design from scratch, or import an STL. Sculpt freely and export your ready-to-cast file.

Start with a gem

Enter measurements

No certificate? Type your stone's dimensions.

Start from scratch

Try an Example

1.52 ct Round Brilliant

7.44 × 7.38 × 4.54 mm · Table 57%

1.8 ct Oval

8.54 × 8.50 × 3.80 mm · Table 57%

2.01 ct Emerald

7.04 × 7.00 × 4.40 mm · Table 63%

1.62 ct Cushion

6.40 × 6.00 × 4.05 mm · Table 58%