Works in a pinch" is a stretch. That paste is going to shrink and crack in no time. It might look okay for a day, but then you're just left with a crumbly mess to clean out. Why go through all that trouble for a fix that won't last?

Yeah, the "simple fix" thing. I fixed my own dryer with a YouTube video, took twenty minutes.

Honestly, that's a new one. Tbh, I thought the file teeth had to face the direction you're cutting.