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Why is a print prepared for an S3 not compatible with an S5?
Posted
· Why is a print prepared for an S3 not compatible with an S5?
There are subtle differences. You can't just change the scale of a printer and expect it to print exactly the same. For example the bed of an S5 is understandably heavier than the bed of an S3. So the speed at which you can move the z axis up and down without introducing a wobble in the printer is different. The same with the print-head; though (I think) the axles have the same diameter, you can imagine that the S5 axles have a slightly higher tendency to sag and introduce vibrations at high speeds. That is why there are tuned profiles for all combinations of printers, cores and materials with sometimes very subtle differences.
Though often the differences are negligible, you would then start to have to make a list of what type of difference between prepared prints is and is not acceptable, and it just becomes easier (and more reliable!) to say "no, a print prepared for one printer will not work on another printer".
Posted
· Why is a print prepared for an S3 not compatible with an S5?
3 hours ago, ahoeben said:
There are subtle differences. You can't just change the scale of a printer and expect it to print exactly the same. For example the bed of an S5 is understandably heavier than the bed of an S3. So the speed at which you can move the z axis up and down without introducing a wobble in the printer is different. The same with the print-head; though (I think) the axles have the same diameter, you can imagine that the S5 axles have a slightly higher tendency to sag and introduce vibrations at high speeds. That is why there are tuned profiles for all combinations of printers, cores and materials with sometimes very subtle differences.
Though often the differences are negligible, you would then start to have to make a list of what type of difference between prepared prints is and is not acceptable, and it just becomes easier (and more reliable!) to say "no, a print prepared for one printer will not work on another printer".
Thanks for the explanation. I realise it's not as simple as it looks and that there is a whole lot of work behind a printer profile beyond build size.
Posted
· Why is a print prepared for an S3 not compatible with an S5?
A print sliced for a um2go will print just fine on a UM2 (although somewhat towards the corner).
There may be a more serious reason. Possibly the spacing between the nozzles is part of the gcode and that may be different on the S3 versus S5? I doubt it. Or maybe the gantry height is different which would mean there would be a few rare gcode files that are printed "one at a time" meaning 2 or more parts printed one then the other but on one of the printers the part is just tall enough that the cross bars will knock it over when it goes to print the second part.
The acceleration excuse... is complicated. If you turn off acceleration and jerk control it doesn't matter a huge amount as the printer itself has safe defaults. But the profiles do have tuned values to reduce ringing if you have accel and jerk control enabled. Also the time estimation to complete a print may be different on the 2 printers if they have different accel/jerk defaults. if. Again - minor issue but customers complain about the seemingly smallest things.
A huge reason is most likely testing. Testing the S5 profile on an S3 is a pain! And doing vice versa. There are already hundreds of profiles to test. Imagine doubling your work testing S5 profiles on S3 and the other way around!
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In this stable release, Cura 5.3 achieves yet another huge leap forward in 3D printing thanks to material interlocking! As well as introducing an expanded recommended print settings menu and lots of print quality improvements. Not to mention, a whole bunch of new printer profiles for non-UltiMaker printers!
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So what’s new?
The obvious change is the S7’s height. It now includes an integrated Air Manager. This filters the exhaust air of every print and also improves build temperature stability. To further enclose the build chamber the S7 only has one magnetically latched door.
The build stack has also been completely redesigned. A PEI-coated flexible steel build plate makes a big difference to productivity. Not only do you not need tools to pop a printed part off. But we also don’t recommend using or adhesion structures for UltiMaker materials (except PC, because...it’s PC). Along with that, 4 pins and 25 magnets make it easy to replace the flex plate perfectly – even with one hand.
The re-engineered print head has an inductive sensor which reduces noise when probing the build plate. This effectively makes it much harder to not achieve a perfect first layer, improving overall print success. We also reversed the front fan direction (fewer plastic hairs, less maintenance), made the print core door magnets stronger, and add a sensor that helps avoid flooding.
The UltiMaker S7 also includes quality of life improvements:
Reliable bed tilt compensation (no more thumbscrews) 2.4 and 5 GHz Wi-Fi A 1080p camera (mounted higher for a better view) Compatibility with 280+ Marketplace materials Compatibility with S5 project files (no reslicing needed) And a whole lot more
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We generated a special version of Cura 5.2 called 5.3.0 Alpha + Xmas. The only changes we introduced compared to UltiMaker Cura 5.2.1 are those which are needed for the new supports. So keep in mind, this is not a sneak peek for Cura 5.3 (there are some really cool new features coming up) but a spotlight release highlighting this new version of tree supports.
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ahoeben 1,770
There are subtle differences. You can't just change the scale of a printer and expect it to print exactly the same. For example the bed of an S5 is understandably heavier than the bed of an S3. So the speed at which you can move the z axis up and down without introducing a wobble in the printer is different. The same with the print-head; though (I think) the axles have the same diameter, you can imagine that the S5 axles have a slightly higher tendency to sag and introduce vibrations at high speeds. That is why there are tuned profiles for all combinations of printers, cores and materials with sometimes very subtle differences.
Though often the differences are negligible, you would then start to have to make a list of what type of difference between prepared prints is and is not acceptable, and it just becomes easier (and more reliable!) to say "no, a print prepared for one printer will not work on another printer".
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Molgineer 2
Thanks for the explanation. I realise it's not as simple as it looks and that there is a whole lot of work behind a printer profile beyond build size.
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gr5 2,005
A print sliced for a um2go will print just fine on a UM2 (although somewhat towards the corner).
There may be a more serious reason. Possibly the spacing between the nozzles is part of the gcode and that may be different on the S3 versus S5? I doubt it. Or maybe the gantry height is different which would mean there would be a few rare gcode files that are printed "one at a time" meaning 2 or more parts printed one then the other but on one of the printers the part is just tall enough that the cross bars will knock it over when it goes to print the second part.
The acceleration excuse... is complicated. If you turn off acceleration and jerk control it doesn't matter a huge amount as the printer itself has safe defaults. But the profiles do have tuned values to reduce ringing if you have accel and jerk control enabled. Also the time estimation to complete a print may be different on the 2 printers if they have different accel/jerk defaults. if. Again - minor issue but customers complain about the seemingly smallest things.
A huge reason is most likely testing. Testing the S5 profile on an S3 is a pain! And doing vice versa. There are already hundreds of profiles to test. Imagine doubling your work testing S5 profiles on S3 and the other way around!
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