this post was submitted on 26 May 2025
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This is my 400mm 110v silicone heat made on my bed. Suddenly nothing would stick toy bed any more, regardless of temp, offset, and adhesion assistance agents. I finally looked at the center of the bed was puffy. I was able to slide a ruler in between the aluminum bed and the pad. It took a bit of elbow grease to pull off the edges. Dunno how close to disaster I was but it's a little too close for comfort. It never overheated in all my use and the thermal fuse is still in tact but the scorch mark is still disturbing.

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[–] [email protected] 2 points 1 week ago

I didn't look super closely at first and thought this was one of those full build plate adhesion tests and was getting ready to say how it was a waste of time to get it that dialed in. Yeah, melting heat mat is definitely a problem.