I created some thermochromic swatches using different shades of purple and blue. I was trying different brushes and textures.

This is my first attempt using the quick sew machine. It works nicely with a regular thread but not as good with the conductive one.

I managed to sew some interesting shapes with varied resistances.

I ended up sewing by hand my message.

I created in a way that the message in the way the word LOVE wouldn’t be readable until the last letter is heated.

Heating circuit here.