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MK3S Upgrade Path?  

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RedDawg
(@reddawg)
Reputable Member
MK3S Upgrade Path?

There is an upgrade kit for MK3S to MK4S. There is an upgrade kit for MK4S to CORE One+. Can I get from MK3S to CORE One+ directly without going through the middle step? I'm guessing that would be too easy.

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Posted : 28/05/2026 7:22 pm
Cary
 Cary
(@cary-2)
Eminent Member
RE: MK3S Upgrade Path?

The easy and cheaper thing to do at this point is to sell the MK3S and buy a Core ONE +.

Posted : 28/05/2026 7:40 pm
Ruebarb
(@ruebarb)
Estimable Member
RE: MK3S Upgrade Path?

Cheaper to buy a kit as stated above. The Mk3S was the best of the Cartesian printers, keep it as a 2nd printer. You then need to ask yourself what you are trying to do that you think you need a Core one+, that has the exact same bed size as the MK3S. I still have my Mk3S, zero problems for 6 years, still sitting on my desk. Then I bought the C1L, getting more build space was the main advantage, could add the MMU3 and then the HT hotend. So I can do alot more than my MK3S. It came at a cost of reliability, firmware bugs, lots of them.  The Mk3S prints PLA & PETG just a good as the C1L, just not as fast.

Core One L MMU3, MK3S

Posted : 30/05/2026 2:13 pm
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