Planning Lead Wires and Connection Points for a PI Heater

https://glass-heating-technology.image-perth.org/how-an-ito-glass-heater-combines-transparency-with-surface-heating

In sensors, a pi heater must deliver heat in a controlled way. It uses a thin resistive foil circuit laminated in polyimide film. One useful trait is fast response. Still, local hot spots can change the result