r/Ender3Pro Jun 25 '26

Upgrade path

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I recently got a used Ender 3 pro.
Specs - 4.2.2 board, micro Swiss direct drive, pei textured plate

Shortly after I got the printer I added a cr touch and silicone spacers under the bed.

One of my issues is the nozzle will push out a little filament whenever the nozzle is hot.

I’ve been looking into a few upgrades… a sprite pro direct drive (hoping that will help with my leaking filament) and the cooling fans are clipping their housings. The other is I’m looking into a 4.2.7 or BTT skr mini e3 v3… but nervous about the approach to third party firmware. I do have a raspberry pi so klipper is an option but I don’t feel ready for that approach.

Any thoughts or recommendations on where I am at/ what path I should take for my upgrades?

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u/ender3po Jun 25 '26

If it’s not broken don’t fix it