I have gone through a bunch of gyrations without any success. The interesting part is I can see the tty Axidraw interface in /dev. Looks like this:
crw-rw—- 1 root dialout 166, 0 Jul 10 15:57 ttyACM0
The USB interface for the Axidraw is listed in lsusb as :
Bus 002 Device 005: ID 04d8:fd92 Microchip Technology, Inc.
When I try to connect to the Axidraw from Inkscape extensions I get the following message in the syslog:
Jul 10 17:15:26 XPS-8100 kernel: [ 397.937688] audit: type=1400 audit(1625955326.388:144): apparmor=”DENIED” operation=”open” profile=”snap.inkscape.inkscape” name=”/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2.3/bNumInterfaces” pid=5411 comm=”python3″ requested_mask=”r” denied_mask=”r” fsuid=1000 ouid=0
Now the really interesting part is I get this message in syslog even though Apparmor has been disabled (sudo systemctl disable apparmor)
My next step is to remove the SNAP installed version of Inkscape and install the apt-get version and test that. I will let you know how that goes.