This is weird. This morning I tuned a curve using the adjustment tool, saved it as a new .quad, and ran the installer. When I opened the 129-step in PrintTool and went to select the new curve in the QTR settings, there was no QTR Settings selection to be found. The terminal window was still open and there I noticed this:
I’ve tried reinstalling PiezoDN, QTR, and PrintTool, and rebooted the computer. No change. Not sure what to do next.