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DLP 3D Printing

Digital Light Processing

DLP 3D Printing
What is DLP?

Digital light processing (DLP) uses a projector to shine light onto the photosensitive resin layer by layer to create a product. This light cures the resin in the same way that the laser does in SLA printing, but instead of a single laser, DLP printers use a digital micromirror device (DMD) to project the image onto the resin. DLP is probably the fastest resin-based 3D Printing technology currently, and it is ideal for rapid prototyping.

DLP Pros & Cons

The biggest advantage of DLP is its speed. When it comes to resin-based printing, DLP printers can print much faster than SLA printers. This is because the entire layer is cured at once, whereas SLA printers use a laser to cure the resin layer by layer. DLP printers can produce a high-quality print in just a few hours. Also, due to the high resolution and accuracy of the technology, DLP prints tend to have smooth surface finishes.


However, DLP printers are often limited to using only certain types of resin, which limits the types of objects that can be printed and the applications for which the printer can be used. DLP printers also require regular maintenance, including cleaning the projector lens and replacing the light source, which is time-consuming and expensive. Moreover, just like all resin-based 3D Printing technologies, DLP prints are sensitive to UV light. They can be degraded if exposed to direct sunlight or other UV light sources for extended periods.


Overall, DLP printing offers many benefits, including speed and a smooth surface finish. However, it may only be suitable for some applications due to its limited material selection and resolution. 3DSPRO provides 3D Plus service to help you eliminate all those cons while having the high-speed DLP offers.

How are people utilizing DLP?

DLP 3D printing is widely used in a variety of applications, including:

Prototyping: DLP 3D printing is a popular choice for prototyping due to its speed and accuracy. It can be used to produce high-quality prototypes for testing and evaluation quickly.


Jewelry Making: DLP 3D printing is often used in the jewelry industry to create detailed and intricate designs. The technology produces high-resolution prints that can capture fine details and textures.


Dental and Medical: DLP 3D printing is also used in the dental and medical industries to produce high-precision dental and orthopedic models, surgical guides, and custom implants.


Art and Design: DLP 3D printing can create highly detailed and intricate designs for art and sculpture. It allows artists and designers to explore new forms and shapes that would be difficult or impossible to create using traditional methods.


Education and Research: DLP 3D printing is used in education and research to create physical models for teaching and experimentation. It allows students and researchers to explore complex concepts and theories in a hands-on way.


Overall, DLP 3D printing is a versatile technology with a wide range of applications. It is particularly useful for applications that require high precision, speed, and intricate details.


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