Review: Elegoo Saturn 4 Ultra

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Print quality & Speed

Print quality

During printing, it’s the Saturn 4 Ultra’s tray that tilts to detach the last printed layer. In fact, there is very little movement on the vertical Z axis. A new technology for Elegoo, which also seems to improve precision.

As a matter of habit, and because you want to test the printer as soon as it’s installed, you start printing the tower. And even before touching any parameters, the printout is clear.

Then the real precision test. Once again, we didn’t change the printer’s default settings.

Now for the fun part, take a look at the fine detail on our figures. It’s hard to tell they’re 3D prints, and the little line will fade with the first coat of primer.

Speed

When it comes to speed, the Saturn 4 Ultra is no better than its big sister. In fact, it retains the ACF film, which enables rapid demolding of each layer. And despite more complicated tray and tank movements, it continues to print 150 mm per hour on the Z (vertical) axis. It’s the best available today. Finally, you’ll be able to find a faster press, but at the expense of print quality and probably with a much shorter life for the film in the tray. In our tests, the Saturn 4 Ultra always came close to this printing speed, which was not the case with the Jupiter SE, which could reach this speed but with major compromises on layer thickness. Here we can clearly see that the new tray tilting system greatly reduces the time between layers.