Formlabs Castable Wax 40 Resin (Form 3+)

Note: Castable Wax 40 Resin is no longer available as of March 1, 2026. Formlabs recommends switching to Castable Wax Resin V1.

From intricate bridal jewellery to large, demanding pieces, Castable Wax 40 Resin offers the easiest workflow on the market for 3D printing and casting challenging, highly detailed designs.

With a 40% wax fill and low expansion, Castable Wax 40 Resin supports a wide range of lost wax casting conditions. It is compatible with leading plaster investments, delivering superior results for jewellers who outsource their casting. This material creates beautiful 3D-printed jewellery pieces that burn cleanly and maintain exceptional dimensional accuracy.

Key details:

• High resolution: Supports 50 and 25-micron print layers for extreme detail.
• Efficient workflow: No post-curing treatment required; parts are ready to cast immediately after washing.
• Clean burnout: High wax content ensures a reliable, residue-free burnout process.

Hardware requirements:

• Form 3 / 3+ / 3B: Requires Resin Tank V2.1.
• Form 2: Requires Resin Tank LT.

Documentation:

Introduction to Casting Guide | Castable Wax 40 Manual