Josef Průša: Ever since I built my first 3D printer, I have been committed to making 3D printing more accessible.
As part of that, I dreamed of a slicer that runs on any device, is incredibly smooth, and can be used by anyone.
Finally, it’s here! After spending countless hours on development and testing, I am proud to announce Prusa EasyPrint!
This is a game-changer. Slicing on a smartphone or tablet has never been this easy.
Removing the Barriers to Slicing — What is EasyPrint?
Many of us are used to dragging and dropping models into PrusaSlicer and selecting a default profile, but for beginners, it’s not as easy as it sounds.
Even just installing a new app takes some effort.
On top of that, you have to load the right profile for your printer.
You also have to know where to click to select the correct material.
With EasyPrint, all of this is simplified and made incredibly easy.
It is a simple, seamless slicing experience like never before.
Suppose you are browsing models for printing on your smartphone, PC, or tablet.
Once you find a model you like, you can open a 3D preview with just one click.
It automatically detects your printer on PrusaConnect and applies the correct profile, so all you have to do is hit "Print."
It also comes with many convenient and intuitive features. You can quickly move, rotate, and scale models as needed, arrange them by face, or automatically distribute multiple models across one or more virtual print beds.
We have also added a simple "cart" for print models. You can add models to your cart as you browse and print them all together.
You can also change basic settings such as print quality, infill, and supports.
That’s all you have to do. We’ve intentionally kept more complex operations hidden, opting for automatic settings instead.
Remember how we emphasized the G-code sharing feature when Printables was launched?
The goal is the same: making 3D printing more accessible.
Beginners: If you’re just starting out with 3D printing, slicing can be confusing. EasyPrint removes that barrier.
No complex setup or profile configuration is required. Just click, slice, and print.
Anyone can use it, regardless of experience. No guides or tutorials needed.
Chromebook Users (Schools): No need to install specialized software or deal with system constraints.
Students and teachers can just open a tab, prepare a 3D model, and send it to the printer.
Alternatively, you can download the G-code to a USB drive.
Advanced Tablet Users: Are you modeling in Shapr3D on an iPad?
You don't need to transfer files to a PC to slice them.
Family and Friends unfamiliar with 3D printing: Tired of being the "3D printing person" for everyone around you?
Now your partner, children, siblings, or parents can handle their own projects.
Slicing anywhere, anytime: Prusa EasyPrint is convenient even for those who are already familiar with slicers.
You can start a print from your smartphone while relaxing on the couch. It’s perfect when you already know you want to use the default settings.
How does it work?
I expect this mechanism to be copied soon, so there's no reason to keep the operating principle a secret.
Prusa EasyPrint is a clean, responsive web app that allows for moving 3D models and adjusting basic settings.
Because it works closely with our services, such as Printables and the Prusa mobile app, it knows which printers you own, what materials are loaded, and the readiness of your printer.
You can easily load models from Printables or local storage.
When you click "Print," it sends the entire scene to PrusaSlicer running on a high-performance server, which then generates the G-code and sends it to the printer.
Some reading this might think, "Is this just another way to lock users into a cloud platform?"
That is an important issue today, so I’d like you to consider that point.
Here is why it doesn’t apply in this case.
First, using Prusa EasyPrint is completely optional.
If you prefer, you can skip Prusa EasyPrint entirely and continue using PrusaSlicer locally on your PC as usual.
In fact, Prusa EasyPrint is not strictly a slicer; it is a web frontend that generates 3MF files compatible with many modern slicers.
The interface runs on your device, while the actual slicing happens in the cloud on our servers.
The PrusaSlicer being used is the same version as the publicly available one, and the source code can be viewed on GitHub.
The web frontend is not open-source, much like Printables and PrusaConnect. However, since the frontend depends on the performance and features of PrusaSlicer, our motivation to keep improving the independent app is higher than ever.
In fact, the seamless integration between the two is one of my favorite features.
You can click a button at any time to download your project and open it in PrusaSlicer on your PC.
Everything—the models, orientation, and settings—is saved in the 3MF file.
From there, you can fine-tune it using advanced tools like painting supports or custom modifiers.
After that, simply export the G-code and save it to a USB drive or send it to the printer over your local network.
Above all, there is no other way to enable slicing on, for example, a $200 Android tablet or smartphone. We actually tried it.
On such devices, basic constraints like RAM capacity are strict, and the attempt was unsuccessful. At least in the foreseeable future, this is the only way to provide this functionality.
I also believe our track record is a factor in judging this.
Security is one of our main strengths, and our printers are used by top companies, universities, and research institutions worldwide.
This app is designed so that any slicer derived from PrusaSlicer (such as Orca, BambuStudio, and many others) can be swapped in on the backend.
Looking a bit further ahead, we plan to open this feature to users of non-Prusa 3D printers in the future.
Of course, the timing is not yet decided, as we need to gather information from testing and ensure it remains stable after accommodating all Prusa users.
3D printing should be open to everyone. We do not want to create a closed environment.
Rather, we want to make 3D printing easier for everyone.
Using with offline printers
We have provided an "Add Offline Printer" button, allowing you to select printers that are not connected to the internet.
This allows you to slice models for offline printers using cloud-based slicing and the simple user interface.
Finally, just download the G-code and transfer it to the printer via a USB drive or SD card.
This is just the beginning. We know there is room for improvement, such as deeper integration with mobile apps and adding more features.
Once you try Prusa EasyPrint, please let us know what you think.
We welcome your opinions, bug reports, and ideas for improvement.
Happy printing!
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