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adam.rankin

U3 to S3 Retrofit Kit?

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Posted · U3 to S3 Retrofit Kit?

Hi,

 

While it's probably doable with quite some work, this probably won't happen (not official upgrade kit).

 

A lot of components are different and would need to be changed, the price and the effort is probably higher than selling the um3 and buying the S3

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Posted · U3 to S3 Retrofit Kit?

As someone who works with both UM3's and UMS5's (but who hasn't gotten their hands on an S3 yet), I have a few thoughts. As someone who does not work for Ultimaker and thus cannot know when or if such a kit would be made available, take them all with a grain of salt.

 

The main improvements that I think you would be able to see from an S-line upgrade kit to the UM3 are all a result of the improved feeder assembly: the lever on the S-line models is a vast improvement over the thumb button on the UM3 in terms of user experience, the hardened version of the knurled knob in the S-line allows users to print with coarser materials (in conjunction with the CC0.6 ruby tip Print Head), and it has a cleaner aesthetic overall (although notably, this is less important).

 

There were some talks a year or so back about developing a flow sensor for the UM3 like the one on the S-line, but so far, I don't think anything official has come of it. Perhaps a third-party option exists, but it would involve a lot of manual tinkering with wires and programming. I know third-party kits for doors/other enclosures also exist. Other upgrades (e.g. the touch screen or the better air flow in the housing) would be very difficult to implement in an upgrade kit and would probably not add enough of an improvement to the user experience to be worth the cost or effort, much like DidierKlein said.

 

I also agree that we will not likely see an official upgrade kit, but if you are interested in some of the changes I mentioned with the feeder assembly, it shouldn't be too tough to find those parts and make the adjustments on your own.

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Posted (edited) · U3 to S3 Retrofit Kit?

It's pretty safe to assume that such an upgrade kit will never happen due to those reasons:

- there has never been an Ultimaker upgrade kit when the model name changed

- an upgraded UM3 would not be a S3 as that machine has a different frame / belt size; it would mean adding another model to firmware and Cura with material profiles

Also keep in mind that for custom mechanical changes you will have to make changes in the firmware which will be overwritten at the next firmware update.

 

Edited by Dim3nsioneer

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