The laser spot size can be adjusted according to the size of your prints. SLA 3D Printers: For SLA 3D printers, the XY resolution will depend on the average spot size of the laser beam and the increments at which the laser beam is controlled. Though the difference is, DLP 3D printers’ pixel size depends on the size of the tiny mirrors on the DMD.Įach layer is seen as square pixels and light is projected according to pixel size.ĭLP 3D printers use the same concept as LCD 3D printers you can calculate the pixel size by dividing the length of the tiny mirrors by the number of pixels present on the DMD. The higher the PPI of a printer, the more details of a 3D model can be produced.ĭLP 3D Printers: For DLP 3D printers, XY resolution is defined by the pixel size as well. Phrozen Sonic Mini 4K offers 4K resolution printing at 35 µm and 722 PPI. Let’s take Phrozen Sonic Mini 4K as an example, its X resolution (pixel size) is 134.4 mm / 3840 pixels = 0.035 mm. In each LCD screen, you can calculate the pixel size by dividing the length of the LCD by the number of pixels on the length of the LCD screen. LCD 3D printers can produce 3D prints with higher resolution, depending on the pixel size of the printer's LCD. LCD 3D Printers: For LCD 3D printers, XY resolution is defined by pixel size. Keep in mind that the resolution of the STL file itself will also affect the resolution of the final print.įor each type of 3D printer, the XY resolution is defined as below: Please note that layer thickness can be pre-set on each 3D printer. This means that as we increase the number, the printer will print faster. The lower the layer height, the longer it will take for the model to print. Z Resolution refers to the minimum layer height. For daily prints, we will use the average layer height, such as 30 - 100µm, to print instead of the minimum layer height.įor instance, the Z resolution of the Phrozen Sonic 4K is 10µm, but we generally print at a layer height of 30 - 100µm. Z Resolution is basically defined by the specification of the 3D printer’s motor, motor driver, and lead screw. Resolution is related to 3 dimensions: XY Resolution and Z Resolution.
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