From Prototype to Production: Scaling a Custom Kapton Heater Project

https://thermal-control-guide.inkharbory.com/posts/how-a-pi-heater-fits-curved-and-irregular-heating-surfaces

In precision instruments, a kapton heater must deliver heat in a controlled way. It uses a resistive foil circuit laminated within polyimide film. One useful trait is custom circuit patterns. Still, hot spots can change the result