Befenybay 2pcs 3D Printer Heated Bed Insulation Lightweight Foam Foil Self-Adhesive Insulation Mat Sticker Hotbed Thermal Pad for Ender 3 CR-10 220x220x5mm BE047

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I’m sure the insulation pad is amazing. The reviews say so. However that is not what I received. I don’t need a filament holder I can print those lol. The filament holder on the other hand seems to be of decent quality and is adjustable for whatever size so if you are looking for a filament holder this should work. ⭐️⭐️⭐️⭐️⭐️5 for the holder ig lol 😂

I have these on 2 different printers:1. Ender 3 Pro with a magnetic Bed2. Labists ET4 with a glass bedBoth printers run the upgraded mean well power supply.On both printers it helped maintain temperatures and heat up the beds faster. Under sustained loads (8hr+ prints), my power reader was reading about 10a~ less here and there which suggests that it lowers power usage which is a big plus to me.For the glass bed it actually stays heated too well so prints do get stuck on it easier, not a big deal to me but to some people it might be.Overall a good cheap upgrade.

The adhesive held on pretty strong, at least long enough to put silicone springs and return to level. The springs are just a block of silicone in a bored cylinder shape and make a nickel coin sized indentation, so the center stays extremely flush in the area between them, but the tips of the corners get tugged off and had to trim a centimeter or two for bed levelling. Not really their fault, if you use normal springs its probably fine. Either way, you get 99% coverage of the pad and the important center is unaffected, so I expect heat to reach the edges faster anyway. Neptune 2s

The glue is great, so good that it stuck to my fingers and the thin foam tore away from itself and stuck to my fingers. That said my bed heated up mich faster and took about 4 mins longer to cool off. It kept my bed a more uniform temp. Made printing better.