Prusament Prusa Galaxy Black, PLA Filament 1.75mm 1kg Spool (2.2 lbs), Diameter Tolerance +/- 0.02mm

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The print area for the i3 MK3S+, at 9.8 by 8.3 by 8.3 inches (HWD), is a smidge larger than its predecessor's 9.8 by 8.3 by 7.9 inches. It's also slightly larger than that of the Anycubic i3 Mega S (8.1 by 8.3 by 8.3 inches) and considerably bigger than the 7-inches-cubed print volume of the Original Prusa Mini.

I printed eight objects on the i3 MK3S+ at the default 150-micron "Quality" resolution setting, most of which I had previously printed on the i3 MK3S. We are developing our own slicing software. PrusaSlicer is a feature-rich, frequently updated tool that contains everything you need to export the perfect print files for your Original Prusa 3D printer. But of course, we also have the settings for the third party slicers like Simplify3D, Cura, etc.

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The frame consists of a base that supports a square arch to which the vertical and horizontal carriages (along which the extruder moves) are attached. The base also supports the build plate, which can move in and out (toward or away from the front of the printer). In front of the build plate is an orange panel housing a monochrome LCD, with a control knob at the right and an SD card slot on the left side. The IFS extruder enables the integration of the new filament sensor in the housing of the extruder on the Prusa Mini / +. As an incremental upgrade in Prusa Research's primary 3D printer line, the Original Prusa i3 MK3S+ offers some modest improvements over the now-discontinued i3 MK3S. Among the changes are an enhanced bed-leveling system, sturdier parts, and improved extruder airflow, all of which serve to make a good printer even better. If you already have the i3 MK3s, you may want to wait until the next generation before replacing it, unless you're anxious to try the five-color add-on. However, PLA is not a perfect material and, just like every other plastic, has some disadvantages. The low melting temperature also means low-temperature resistance. Parts start to lose mechanical strength at temperatures over 60 °C.

I got a lovely first layer 75x75 square right off the bat, with only minimal adjustment to the Z-height, so ran a Benchy. This is where I hit problems with stringing. To cut a long afternoon’s story short, I played with different temperatures from 190 - 215, although the 190 print didn’t look at all right, so I abandoned it at the point the gyroid infilled pattern stats printing.The combination of being low in UV and temperature resistance means that it’s not ideal for outdoor use. Also, PLA is only soluble in chemicals like chloroform or hot benzene. So when connecting multiple pieces, you’re better off using just glue. As a filament-based (FFF, for fused filament fabrication) 3D printer, the Original Prusa i3 MK3S+ supports a wide variety of filament types, including but not limited to PLA (polylactic acid), PETG (polyethylene terephthalate enhanced with glycol), ABS (acrylonitrile butadiene styrene), ASA (acrylonitrile-styrene-acrylate, an alternative to ABS), Flex, nylon, carbon-filled, and Woodfill. The printer comes with a 1-kilo spool of silver PLA filament, which is what I used in our testing. These settings are great for all kinds of objects, not just for a couple of prepared showpieces. After a while, when you're familiar with the printer, you can, of course, dive into tinkering ;-) The thumbscrew tensioner allows the user to fine-tune the pressure exerted on the filament by the drive gears. This gives you the opportunity to adjust the settings to your preferences and optimise them for the type of material used.

The Bondtech Dual Drive IFS extruder is a further development of the high-resolution extruder upgrade for the Prusa Mini. We tested it using its default settings and found it extremely capable. Its print quality is truly exceptional and it’s an easy-to-use, straightforward machine. – All3DP MK3S Review We provide high print settings with the printer, so you don't have to dive into complex new programs the second you finish the build. You can start printing right away, and this gives you a great head start! Mesh Bed Leveling: Advanced high-quality SuperPINDA sensor (Super Prusa INDuction Autoleveling sensor) Advanced features: Automatic filament loading, steel sheet profiles, Octoprint compatibility and moreIn the photo below, from left to right the temperatures are 193, 195, 205, 210. The 193 version completed and had seemed to have the least amount of stringing, but split along the bottom when I removed it from the plate and showed signs of under extrusion/layer separation), I didn’t grab a photo of the 215 version, but I couldn’t see any noticeable difference between it and the 210 version. You then use the LCD's control knob to extract the remaining filament from the extruder, twist the knob to Filament In, put a spool of filament on the holder, and feed it into the extruder. Filament should soon start extruding from the nozzle; pressing Yes when you're prompted will stop the flow. You remove the strand of filament hanging from the nozzle, put the supplied SD card in its slot, select a sample file, and press Print.

Controller: EINSY RAMBo 8-bit board with Trinamic 2130 drivers (256 microstepping), co-developed with Ultimachine, sensorless homing for X and Y axes Interestingly, I did need to run my printer bed and extruder temperatures about 5 degrees higher than recommended on all my filaments and I question whether this may be a printer specific. Certainly the default settings on Slic3r PE are quite high.However, the IFS extruder can also be used without a filament sensor. To install the filament sensor in the IFS extruder later, only a short assembly is required. Hardened drive gears allow the use of abrasive materials that would otherwise wear out the gears of the original feeder. The preassembled i3 MK3S+ required very little work to get up and running. It arrives with a test print (the Prusa name plaque seen above) already printed out and adhered to the build plate. You gently pry it off, assemble the spool holder—which snaps into place on the metal bar atop the printer—then turn the printer on. I was given an unmarked 1kg roll of silver PLA with my printer, presumably Prusa PLA which is now superseded by Prulament, a filament not yet available in UK, unless shipped from abroad at significant cost. This roll was not bad, did some nice builds with it but with occasional unexpected fails. When successful; the finish was brilliant, my Masterspool print looks immaculate. Among the other hardware improvements that Prusa has made for the i3 MK3S+, the Y-axis bearings are held by metal clips instead of the old U-bolts, and some new plastic parts have replaced zip ties in holding the carriage's smooth rods. The X-axis belt-tensioning system has been modified. The extruder's plastic parts are also slightly different to improve the cooling airflow.