Additive Manufacturing /3D Printing technologies enable to produce custom casting patterns and inserts for fast turn arounds

Learn how Big Rep large format 3D printers can transform your business

Sand casting is the process of creating an object from molten material using sand as mold. The mold cavities are created by compacting sand around a design pattern. This process, also known as metal casting or sand molded casting, can be simplified with the use of a 3D printer, such as the large-scale BigRep ONE or the mid-sized BigRep STUDIO. The utilization of a 3D printer to produce those patterns enables today’s foundry industry to produce cost effective and time-saving solutions with a competitive advantage over traditional production methods.

Propeller cast with a 3D printed mold

3D models created by engineers with the use of a CAD software only need to be transferred to a BigRep 3D printer to be produced. This also means that you can rework easily your models after receiving a 3D visualization. It shortens the production cycle, reduces the use of resources and makes the complete process more cost and time-efficient.

The BigRep ONE

Advantages of mold making with a BigRep 3D printer

► Sustainable
Reduce the creation of waste.

► Control
In-house production and total control of the work schedule.

► Save money
Speed up the introduction of new parts and minimize development costs.

► Flexible
Easy to rework and modify design patterns before going into production.

► Complexity
Reach a level of product complexity not attainable with traditional methods.


CJR Propulsion in the UK manufactures steering gear for luxury yachts and work boats, and they use their BigRep ONE to produce patterns for their bespoke propeller designs. The ease-of-use and time savings allows CJR to be far more competitive and offer faster service to their customers.

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“The BigRep 3D printers have assisted us to produce propeller patterns quickly and cost effectively.”
– Simon Lewis, Head of CFD, CJR Propulsion

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