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Let us start with the most important aspect of any 3D printer: what is the screen resolution, how big is the screen and how big a build volume does it provide? But, XY resolution (pixel size) and the PPI (how many pixels you get per inch) give us a metric to compare resin 3D printers against each other. Later on I will provide a table with specs on the Mars 3’s and how well they compare to the competition in various specs. The Elegoo Mars 3 Pro includes a single demo model on the USB thumb drive; a pair of rooks with the Elegoo logo printed on them. This is the same demo model that Elegoo includes with the Mars 2 Pro, Saturn, and other resin 3D printers. In fact, the text on the rook reads “Elegoo Mars 3”, indicating that this may even be the same model included on the previous generation Mars 3 printer. Test print – a familiar sight for owners of Elegoo resin printers
The Elegoo Mars 3 Pro ships with a copy of the popular slicer app Chitubox loaded on the USB drive, but the Mars 3 Pro is also compatible with Lychee Slicer and other slicer apps. Chitubox is an easy-to-use app that is capable of hollowing a model, generating support, and adding drain holes to allow any trapped uncured resin to escape. I used Printed Obsession’s Doom Slayer model and oriented it to print with no support material touching the front of the model, and the total print preparation time was under 5 minutes. Printed Obsession’s Doom Slayer model loaded in slicer software The Z axis uses a linear rail for smooth and consistent movement, with a metal arm suspending the platform over the vat. The Mars 3 Pro includes everything you need to get started, just add resin There have been no upgrades to the new Mars 3’s print when it comes to volume or resolution. The Mars 3 pro, like the Mars 3, has a 35-micron resolution on its 143 x 90 mm display, which has a resolution of 4098 x 2560 pixels. Many printers have exceeded the 35-micron resolution since the original Mar 3’s introduction. The Elegoo Mars 2 Pro was released in early 2020. The Elegoo Mars 3 and Elegoo Mars 3 Pro were released in 2022. With the Mars 3, this line of printers now has that coveted 4k screen. Chitubox Pro Slicer】Comes with the Chitubox Pro Slicing Software for FREE one year, no need to pay for it within the period.The VAT comes out completely, with no tray or screw left. This makes it easier to level the machine and is a welcome change. Notice the max fill line and the oil clumping up. Where did this go? With the Mars 3 you do not get the bed plate angler The stability of the printer (if the printer wobles, it matters little what the size of the pixels are as everything will be imprecise). For the most part, the Elegoo Mars 3 Pro has the same features as the Mars 3. At first, it may even make you wonder what the Pro version really brings to the table.
With its 6.6" 4K monochrome display and 4098 x 2560 pixel resolution, the Mars 3 Pro allows you to print precise models with fine detail. Compared to its predecessor, the Elegoo Mars 3, the Mars 3 Pro has many new upgrades such as faster print speeds and improved stability.The Fresnel lens collimator enables a light angle of up to 5°, ensuring uniformity of more than 92%. Printed models are thus given extremely sharp and clear edges and corners. One thing surprised me a lot at this stage: the resin is way, way hotter coming from the vat of the Mars 3 than the Mars 2. After measuring and looking at what happens, it looks like my build plate is very slightly bent. I put a very small extra sliver of paper on the right side where the issue was and this made it almost perfectly level.
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