Octo rasp pi 4b, to run Lulzbot sk 747

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Thanks for all the responses, I did figure it out. Now using direct from Fusion 360 and or from Cura I can't tell you what I did, it's been a few weeks now and On to more things..... Thanks again for Great software!

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Hello @TheThresh !

  • Actually, we speak of OctoPrint, OctoPi etc and not just of octo to prevent confusion.
  • When you can't connect to your printer via USB, then it is not a Network issue.
  • How did ypou put OctoPi with OctoPirnt to the Pi?

Please attach a screenshot to your next post.

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Many 3D printers (your LulzBot Sidekick 747 included) have a USB port which will present itself to a host as a serial port and the host can then send gcode commands to the printer. These printers often have an SD card as well so you can put gcode files generated by your favorite slicer and then use the printer's interface to start printing the file.

Many slicers (including Ultimaker Cura and CuraLE also can communicate directly with the USB interface to send generated gcode directly to the printer. They may also provide a console interface which you can use to manually send commands and see the printer's response.

3D prints can take a sizable amount of time to print (hours to days), and Windows (or its users) will sometimes start other tasks that can disrupt the serial communications with the printer causing artifacts on the object. MacOS may have similar issues.

Moving the USB connection to a (dedicated) Raspberry Pi running OctoPi / OctoPrint provides more stable serial communications in addition to a web-based user interface. The RPi can be connected to your local area network and then any machine connected to the LAN can interface with it.

I previously stated that many slicers communicate over a local USB port connected directly to the printer, but some of these slicers can also communicate with OctoPrint over your LAN as well.

Hopefully, this gives you a high-level overview of the process. Once you have a RPi available you can install OctoPi using the RPi Imager (get 1.8.5 instead of the current 1.9.4 release which has a bug that needs fixing) and we can provide more specific help if you need it.

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OctoPrint can be installed on any system that has Python so using a Raspberry Pi is just one solution. It is however, the most popular one.

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