MSLA stands for Masked Stereolithography, and it's a type of 3D printing technology. Let's break it down in simple terms:

You have a 3D printer designed for MSLA, which typically consists of a vat filled with liquid resin and a build platform.

Resin Material: 

Instead of using solid filament like FDM printers, MSLA uses a liquid resin. This resin can be sensitive to light.

UV Light and Resin Solidification: 

The printer has an LCD screen or a similar light source at the bottom. This screen has a pattern that corresponds to the shape of the object you want to print.

When you start the printing process, the LCD screen shines ultraviolet (UV) light through the bottom of the vat.

Layer Formation: 

The UV light selectively solidifies the liquid resin in specific areas based on the pattern of the layer being printed.

As the UV light hits the liquid resin, it turns it into a solid layer, building up the 3D object one layer at a time.

Lifting and Peeling: 

After each layer is solidified, the build platform moves slightly upward, and the newly formed layer is separated from the bottom of the vat.

The process then repeats for the next layer.


Layer by layer, the object emerges from the liquid resin, suspended from the build platform.


Once the printing is complete, the printed object is typically washed to remove excess resin and is then cured under UV light to fully harden and strengthen the material.

In summary, MSLA 3D printing is like creating a 3D object by selectively solidifying liquid resin using UV light, layer by layer. It's known for producing detailed and high-resolution prints, making it suitable for applications where precision and fine details are important.