this post was submitted on 02 Aug 2026
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My 3D printer does not have any heat insulation on the bed at the moment. It also takes quite a while to heat up and probably wastes a lot of energy maintaining the temperature.

Is this something that makes sense to do? I would probably cover the bottom with some sort of insulating foam. I also don't want it to fall off after a while as adhesives tend to do after a while.

Is this worth doing and what materials should I use for this?

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[–] Lasherz12@lemmy.world 9 points 2 weeks ago

I think your effort would be better put towards an enclosure for the whole printer if you don't already have one.The radiant heat loss of the bed will become a good thing. Lots of people add additional heat time to give the stagnant air time to heat up the enclosure. As others have said though it sorta depends on what you're printing mostly if it matters at all. PLA is such low temp it's not difficult for the machine to maintain at all. If you're doing PC or nylon you may need every advantage you can get.

For the adhesives conversation, there are quite a few that can cope with high temp. Silicone is probably the best in case you regret it. Other glue could take a coating of your plate off.