Castable Resin

Print in Fine Detail for investment casting.

Castable Resin burns out cleanly without ash or residue and captures crisp, precise detail and smooth surfaces. Jewelers and designers can go straight from a 3D design to a model for direct investment.

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See how jewelers are using 3D printing

“As a pioneer in desktop 3D printing, Formlabs is the perfect partner to help us grow in 3D printing. When it comes to 3D printing technology for jewelry professionals, Formlabs is the leader in this space.”

— Scott Petrillo, Vice President of Sales

Accurate Prong Placement

Tiny details like prongs line up so you can set stones with confidence.

Smooth Surface Finish

Accurate layer placement means less metal wasted in finishing.

Fine Detail

Create challenging filagree and organic shapes with excellent detail.

Fine Detail Print Settings Optimized for Jewelry

Prong Accuracy

This map shows a scan of a printed ring overlaid with the original 3D model. The color mapping indicates differences, with the green areas revealing dimensional accuracy within ± 0.1 mm. This ring, printed at 0.05 mm (50 micron) layers with Fine Detail print settings, also demonstrates prong accuracy, with both larger and smaller prongs printing with a very small dimensional deviation of just ± 0.03 mm.

Tested for Clean Burnout

No ash. No residue.

Burnout Schedule

Castable Resin has been tested to leave minimum ash behind after burnout, leaving behind a clean void in the mold. Work with our recommended casting houses or use our verified burnout process to go from 3D print to metal with little to no testing. Read our Castable Burnout Process White Paper.


To achieve desired durability, prints made with Castable Resin should be post-cured approximately 120 minutes at a 45°C temperature under a a 405 nm wavelength light source.

Handling & Safety

Our resins have been designed to be as safe as possible, but nevertheless, working with them requires care, similar to working with common adhesives or household cleaners. They do not have volatile solvents so special ventilation is not required, though skin contact should be avoided.

For more information about handling resin, download our Safety Data Sheets or learn more tips for resin maintenance online.