8/22/2023 0 Comments Ser a 12 minute timerWith Alpha firmware 5.0.0, the Prusa has now delivered on its promises with their MK4 printer. At this time it is unknown when this firmware version will exit alpha and become a new and fully stable firmware for the Prusa MK4. To utilise Input Shaping and Pressure Advance, Prusa MK4 users will need to download the company's 5.0.0 Alpha firmware (or newer) and download the latest beta of PrusaSlicer (currently version 2.6.0- beta2). It was a necessary prerequisite for both Input shaper and Pressure advance. ![]() Precise stepping is a new implementation of the stepper routine, that allows precise timing of motor steps. Pressure Advance together with Input Shaper enables printing of better-looking models, reducing ringing, overshoots and issues with inconsistent filament extrusion. ![]() It works by extruding extra filament during accelerations and retracting the filament during deceleration to maintain a consistent pressure inside the nozzle. This function aims to improve the quality of printed parts by compensating for the pressure changes in the nozzle during printing. Pressure Advance is another important addition to the firmware’s set of features. Thanks to faster travel speed and accelerations, it can also minimize stringing. It works by analyzing the printer’s movements and applying a filter to the input signals. Input Shaper is a feature designed to reduce ringing (also known as ghosting) by cancelling resonance vibrations. The 5.0.0-alpha1 firmware comes with three new major additions - Input Shaper, Pressure Advance and Precise Stepping. If you are printing parts commercially, these features can increase the productivity of your print farms significantly. These features can help reduce print times by as much as 70%, allowing users to print parts faster without a loss in print quality. Input Shaping and Pressure Advance are features that are designed to increase the quality of 3D prints, but a side benefit (and arguably more beneficial benefit) of these new features is that it allows 3D printers to print parts faster without lowering print quality. ![]() For instance, there have already been users that have printed a 3D Benchy (a popular 3D printer test part) in 12 minutes. In short, Prusa's new MK4 firmware offers users of Prusa's latest 3D printer new features that enable greatly increased print speeds. What do these new firmware/feature upgrades add? That said, a list of known bugs are available to view on Prusa's firmware GitHub page. With Prusa's new MK4 firmware being in alpha, there is a chance that users may experience unexpected issues when using it. Now, thanks to alpha firmware release, and a beta release of PrusaSlicer, MK4 owners can now enjoy a huge boost in printing speed, albeit with the risk of some bugs. Last month, Prusa released their MK4 3D printer, promising users an "always perfect first layer" and the promise of support for features like Input Shaping and Pressure Advance with future firmware upgrades. The Prusa MK4's latest firmware alpha delivers major upgrades to the 3D printer
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