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A Smartphone-Enabled Portable Digital Light Processing 3D Printer.

Wanlu Li¹, Mian Wang¹, Luis Santiago Mille¹

¹Division of Engineering Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA.

Advanced Materials (Deerfield Beach, Fla.)

|July 19, 2021

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This summary is machine-generated.

A portable 3D Digital Light Processing (DLP) printer, powered by a smartphone, enables on-demand fabrication of complex constructs and tissue analogs. This mobile 3D printing technology offers new possibilities for point-of-care medical applications and resource-limited settings.

Area of Science:

Biomedical Engineering
Materials Science
Digital Health

Background:

Traditional 3D printing systems are often bulky, limiting their widespread application.
The need for portable and accessible 3D printing solutions is growing, especially in healthcare and remote settings.

Purpose of the Study:

To develop a portable 3D Digital Light Processing (DLP) printer utilizing smartphone technology.
To demonstrate the fabrication capabilities of this portable DLP printer for various constructs and tissue analogs.
To explore the potential of this mobile 3D printing platform for point-of-care and resource-limited applications.

Main Methods:

Construction of a portable 3D DLP printer integrated with a smartphone projector and a custom app.
Utilization of commercial resins and various hydrogel-based inks (PEGDA, GelMA, allylated gelatin) for printing.

Keywords:

3D printing Digital Light Processing bioprinting portable devices smartphone

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Integration of a 3D scanning smartphone app for digital model creation.

Main Results:

Successful printing of constructs with intricate surface architectures, porous features, and hollow structures.
Fabrication of sophisticated tissue analogs using diverse bio-inks.
Demonstration of the printer's portability for potential point-of-care medical implant and in situ cell-laden tissue production.

Conclusions:

The developed smartphone-enabled portable DLP printer is a versatile and user-friendly platform.
This technology represents a significant advancement for mobile-health, enabling on-demand fabrication in diverse settings.
The portable DLP printer holds promise for applications in biomedicine, education, and home use, particularly in resource-limited environments.