Original Prusa MK4S 3D Printer

The Ultimate STEM Project: Let's Build a 3D Printer!

Take advantage of the unique opportunity to build your own Original Prusa MK4S - it’s easier than you might think!

Our 3D printers originally started as assembly kits and we kept this option all these years because the kits are still the most popular choice. So, join the hundreds of thousands of makers who have built their 3D printers using our detailed assembly guides! You can even build it with your kid - it’s one of the best STEM projects out there! You will get to know your 3D printer inside out and find out how it works! The assembly is quite easy and requires no soldering because cables are cut to length and ready to be plugged in.

Fast and Precise Results without Compromise

The Original Prusa MK4S delivers reliable results for all your projects. Building on the MK4 model loved by hobbyists and big companies alike, it offers even higher accuracy and print speed. Thanks to its new 360° cooling, high-flow nozzle, and numerous firmware optimizations, you’ll get your 3D models fast and with top-notch quality.

Perfect for Pros and Beginners

The MK4S answers your needs whether you’re just starting or have years of experience. We’ve designed the UI to be easy to use even for complete beginners, yet its reliable performance also makes it a perfect fit for professional workshops. Getting started is super easy: simply take the MK4S out of the box, plug it in, perform a quick calibration, and start printing in 15 minutes!

Unmatched Print Quality

While the MK4S is our fastest printer yet, it never sacrifices quality for quicker print times. Thanks to its fine-tuned features and workflow, it always delivers precise models at amazing speeds as confirmed by the perfect 30/30 score in Print Quality in TechRadar’s review.

Perfect Dimensional Accuracy

Your creations should turn out precisely as designed, especially when they require a perfect fit. The MK4S ensures that by delivering exceptionally accurate prints. See the accuracy comparison measured using a CT scan: