Elegoo just announced a new resin 3D-printer. This time it is launching a different technology compared to its well known LCD / MSLA resin 3D-printers. The Elegoo Mars 4 – DLP is unlike its predecessor not an LCD based printer but a DLP printer. this is roughly 1,5 years after Anycubic launched its first resin DLP 3D-printer -The Anycubic Photon Ultra- on Kickstarter. By now they have launched already a second version with the Anycubic Photon D2 DLP. Elegoo is now the second 3D-printer manufacturer that supplies an affordable DLP printer. Let’s see what it is and if this is significant for the resin 3D-printing industry.
About the Elegoo Mars 4 DLP resin 3D-printing technology
Digital Light Processing (DLP) uses a digital light projector to directly project the entire layer image to the bottom of the resin tank, with the UV beam selectively projected by a digital micromirror device (DMD) onto the given position to be cured. ELEGOO DLP projector adopts the LG high-performance LED light source + 13-layer lens set design, with light intensity up to 4mw/cm2 and light uniformity up to 95%, coupled with 95% light transmittance tempered glass, which minimizes light scattering and light bleed. The result is greater print accuracy than LCD 3D printers with the same resolution.
Image by Elegoo: representation how the DLP module works inside the Elegoo Mars 4 DLP resin 3D-printer.
Elegoo Mars 4 DLP resin 3D-printer specifications
Some key metrics are available and listed below.
| Elegoo Mars 4 DLP | ||
| DLP Chipset | 2K | |
| Pixels | 2560 * 1440 | |
| Print size (L x W x H) | 132* 74.7 * 150 mm | |
| Pixel size | ~0,080 mm | |
| Light intensity | 4mW/cm2* |
- * light intensity of the Elegoo Mars 4 DLP is from the manufacturers marketing material while the Anycubic Photon D2 was measured at the Liqcreate R&D laboratory.
According to Elegoo, the Mars 4 DLP has a 2K DLP projector with a resolution of 2560 * 1440 pixels. The reason to bring this up is that Anycubic was famous for printing an extremely affordable 720P (worse resolution) DLP chip to the market. when upgrading this to a 2K chip it will be much more expensive. But when they actually don’t use a 2K DLP chip, and manipulate the same 720P with an XRP actuater, it can get a in theory a “higher” resolution for an affordable price. Read all about XRP actuater technology here. The reason we suspect it is because All3DP wrote this: “Anycubic also claims its gray anti-aliasing algorithm for the Photon D2 can achieve “printed objects with life-like precision”, which hints on XRP technology. Same story goes for Elegoo as their specifications are almost similar of their Mars 4 compared to the Photon D2 DLP printers.
Resin compatibility with the Elegoo Mars 4 DLP.
Optimized Elegoo Mars 4 DLP resin parameters can be found in the link. Technically all Liqcreate resins can work. If you want to give it a try, a good starting point are the Anycubic Photon D2 parameters. Send an e-mail to info@liqcreate.com if you want to be informed on resin compatibility. Team Liqcreate wish you happy printing for the lucky people who get their hands on an Elegoo Mars 4 dlp. If there are any questions or remarks, feel free to contact us at info@liqcreate.com any time.
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