Some slicers, like Slic3r, have a built-in feature that allows you to send gcode files directly to OctoPrint’s queue without saving and uploading manually.

3D Printing, Electronics, Arduino, Raspberry Pi, Computers and anything DIY, basically
Some slicers, like Slic3r, have a built-in feature that allows you to send gcode files directly to OctoPrint’s queue without saving and uploading manually.
Leaving a 3D printer unattended is not very smart, especially a homemade one. If you’re lucky, you’ll only mess up a print and waste some