Different Types of 3D Printing Prototypes

Additive manufacturing lets you build three-dimensional objects based on your digital drawing model. It creates a custom 3D printing prototype by adding materials one layer at a time or by sintering or fusing powdered materials, depending on the method you use.

 

Technologies have come a long way and introduced more 3D printing methods to help you make prototypes quickly, accurately, and cost-effectively. Here are the most common types you may want to know.

Stereolithography

SLA 3D printing is among the oldest and most versatile additive manufacturing technologies. It builds the object layer by layer using a photocurable resin cured with an intense UV laser in the build platform. The result is a 3D printing prototype with a good surface finish and optimum accuracy to the CAD. The process involves support structures to keep the material in place while printing, but these are removed afterward. This technology is ideal for making aesthetic models and bespoke or low-volume production parts.

Selective laser sintering

SLS 3D printing builds custom parts from powdered PA 12 (nylon) materials. As such, it can print complex features and overhangs without support. Design engineers use this technology to build functional and durable prototypes.

Direct metal laser sintering

DMLS is another industrial additive manufacturing technology similar to SLS, but this time, it uses powdered metals like titanium, tool steel, copper, aluminum, or copper. It is suitable for 3D printing prototypes with complex geometries and functional, structurally sound parts.

Fused deposition modeling

FDM 3D printing is a versatile process that uses an extruded plastic filament, which is laid on the build chamber layer by layer to create the part. It can handle complex geometries, but overhanging areas require removable support material. Companies offer various materials like PC, ABS, nylon, and Ultem, and they accept projects for low-volume production and quick prototypes with accurate features.

Projet MJP 3D printing

Projet MJP is suitable for 3D printing prototypes with smaller, intricate details as tiny as 300 microns without affecting the resolution. It delivers accurate parts fast using a range of high-temp materials, making it useful for concept modeling and prototypes for marketing, sales, and communication.

 

 


 

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