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Assuming like most cad software your software stores an object internally as a circle (or cylinder/cone/sphere) but when you export to STL there should be options to control how much precision you want for your circles and all surfaces. At that moment your circles are likely getting chopped up into multiple segments.
As gr5 said, search for the STL-export settings in your CAD-program.
In DesignSpark Mechanical you have the options course, medium, fine, and custom. Fine is a good balance between file-size and smoothness, although the triangles are still visible in balls. Course and medium are too rough to my taste.
For really smooth surfaces, a custom setting is required. But be aware that a finer setting (=more triangles and thus a smoother curve) can soon make the file-sizes really huge and unmanageble. Instead of 2Mbyte it may easily jump up to 20Mbyte. And this might create other issues: the slicer slowing down, printer slowing down, wasting 95% of hard disk space for little improvements,...
So I would suggest that you experiment with all settings to compare the results, and then go for a good balance between quality and file size.
Cura 5.7 is here and it brings a handy new workflow improvement when using Thingiverse and Cura together, as well as additional capabilities for Method series printers, and a powerful way of sharing print settings using new printer-agnostic project files! Read on to find out about all of these improvements and more.
S-Line Firmware 8.3.0 was released Nov. 20th on the "Latest" firmware branch.
(Sorry, was out of office when this released)
This update is for...
All UltiMaker S series
New features
Temperature status. During print preparation, the temperatures of the print cores and build plate will be shown on the display. This gives a better indication of the progress and remaining wait time. Save log files in paused state. It is now possible to save the printer's log files to USB if the currently active print job is paused. Previously, the Dump logs to USB option was only enabled if the printer was in idle state. Confirm print removal via Digital Factory. If the printer is connected to the Digital Factory, it is now possible to confirm the removal of a previous print job via the Digital Factory interface. This is useful in situations where the build plate is clear, but the operator forgot to select Confirm removal on the printer’s display. Visit this page for more information about this feature.
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gr5 2,167
This is a cad setting.
STL files contain only triangles.
Assuming like most cad software your software stores an object internally as a circle (or cylinder/cone/sphere) but when you export to STL there should be options to control how much precision you want for your circles and all surfaces. At that moment your circles are likely getting chopped up into multiple segments.
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geert_2 557
As gr5 said, search for the STL-export settings in your CAD-program.
In DesignSpark Mechanical you have the options course, medium, fine, and custom. Fine is a good balance between file-size and smoothness, although the triangles are still visible in balls. Course and medium are too rough to my taste.
For really smooth surfaces, a custom setting is required. But be aware that a finer setting (=more triangles and thus a smoother curve) can soon make the file-sizes really huge and unmanageble. Instead of 2Mbyte it may easily jump up to 20Mbyte. And this might create other issues: the slicer slowing down, printer slowing down, wasting 95% of hard disk space for little improvements,...
So I would suggest that you experiment with all settings to compare the results, and then go for a good balance between quality and file size.
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