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I recently acquired a Qidi X-Plus 3d printer.


I'm using QidiPrint on Linux via its AppImage distribution. It appears to be a customized version of Cura, and comes with preloaded configurations for the full Qidi line. There was a Cura 4.x plugin that went by the same name, but it doesn't seem to work with Cura 5 (or even newer versions of Cura 4).


The discovery protocol used by QidiPrint involves broadcasting to an attached IPv4 network on udp/3000. A Qidi printer will respond from source port 3000 to some random on the broadcasting host. To do so, configure QidiPrint with the host's IP address on the relevant network, press "Apply", and then press "Refresh". The printer ought show up. Note that since the outgoing query went to the broadcast address, there will not be an existing connection, and local firewalling is likely to require a specific rule based off the source address and port (together with UDP).


This print was much improved by use of G2/G3.

The X-Plus does appear to support the G2 and G3 commands. The Arc Welder OctoPrint plugin can thus be usefully applied to models involving lots of curves.


The UART can be accessed by removing the bottom panel (involves removing 9 screws with an allen wrench, trivial) and hooking up the TX, RX, and GND lines of a USB-to-UART 3.3v adapter. See the far right of this picture: