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GCodePrintr - The 3D Print App Screenshot 0
GCodePrintr - The 3D Print App Screenshot 1
GCodePrintr - The 3D Print App Screenshot 2
GCodePrintr - The 3D Print App Screenshot 3

About GCodePrintr - The 3D Print App

GCodePrintr enables you to use any Android tablet or phone as a touch screen for your 3D printer and to run 3D prints without the need for having a PC running. With the intuitive UI interface you can always see what the print status is (e.g. remaining time) and modify print parameters (speed, temperature, etc.) during the print. Your Android device can also act as a web server to allow you to start a print remotely or watch the print status.
IMPORTANT: Before buying this version make sure that your printer connection works with the free version: GCode Simulator (Free).

See for more information.

★ 3D Printing features

Control your 3D printer from your favorite Android device and print 3D objects
✔ 3D Printing from any Android device - PC less printing
✔ Connect to your 3D Printer over USB (USB-OTG Adapter required) or wireless over Bluetooth.
✔ Control the 3D printer with your touchscreen (X/Y/Z movements, homing, fan, temperature, etc.).
✔ Load your own gcode file (local file, network, web upload, Gdrive, Dropbox) and start a print from your Android device.
✔ Support for SD Card printing (upload, list files, autostart print)
✔ Easily modify speed during print and see how it impacts the print time.
✔ Web interface to view print status and Camera picture (Camera permissions required)
✔ Remotely stream the video of your builtin webcam (requires IPWebcam App)
✔ Works with many 3D printers (Reprap, PrintrBot, Ultimaker, Renkforce, Velleman, Anet, Tevo, Robot3d, Multec, etc.)
✔ Works with multiple firmwares (Sprinter,Marlin,Smoothie,Repetier)
✔ Support for various printer options (bedsize, baudrates, flip x/y axis, checksums, etc.)
Only in the paid version:
✔ Ad free
✔ Dual Extruder Support
✔ 20x User defined macros
✔ Favorite macro button for quick access
✔ Recover print function
✔ Web interface to remotely start prints

★ Visualization and Simulation

GCodePrintr can visualize gcodes and simulate a 3D print. It recognizes the print speeds and simulates the print in real time, but can also speedup the simulation(fast forward).
Each layer is painted in a different color to see how a layer overlaps with the layer below.
✔ Layer by layer visualization and simulation
✔ 3D View
✔ Show estimated print time
✔ Show remaining print time
✔ Show weight and cost of the printed object
✔ Show speed of X/Y/Z movements and extrusion (min/max/average)
✔ Show Print object dimension and required filament
✔ Show details of each layer
✔ Multiple UI Themes
and more

⚠ Remarks and Limitations

Printer connection requires a Android device with USB-OTG support and a USB-OTG adapter.
Tested with Slic3r, Simplify3d and Skeinforge generated gcodes.
To load files locally from the device or dropbox you need to install a Android file manager (e.g. ES File Explorer)
MakerBot uses a proprietary protocol called S3G where as others use raw G-Code, therefore only the gcode simulation is supported.
Loading very large gcode files might fail, depending on the available memory of the device. OctoPrint support is experimental.
Tip:Use GCodeSimulator for PC to send files from PC directly to your Android tablet to print them.

✉ Problem Support / Get Help

Join the Google+ community to find help, request features or raise issues
In case of problems please check the FAQ if the problem is already described.
Simply generate a problem report with the app itself (Console menu -> send email), or write an email directly to [email protected]
Google Play Review comments are not adequate for reporting bugs because they don't allow a real communication.

This App uses Google Analytics to collect anonymous statistical data e.g. number of starts, connects via USB OTG/bluetooth. The collected data is only used to improve the App behavior.

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Works great for Ender 3 using CR10 profile with 115200 baud. Like the try before you buy simulator. I have printed under full control locally and remotely. For the Ender 3 the left and right manual movement ...
David Sloan
Helped me recycle an old Toshiba Thrive and make it useful again. Just wish I knew how to select what usb port it requests from, as my thrive, along with its dock, has a total of 3 ports. Using a Monoprice ...
Tony Cook
Really good app, know him personally from 2010, really good staff
Alessandro Pappalardo