Thanks – I am away from the console until Wednesday. Will try then.
First attempt did not work with just the .kv and …py – My two existing files have a .tmpl extension. I tried adding that to the two new files without any success.
Huh ? That makes no sense.
Read @robert.jochim’s reply again. You need one file called customPanels.kv and one called customPanels.py with whatever content you want in there. You can’t just make up filenames.