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Cura scaling problem

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Posted · Cura scaling problem

I am helping a friend print doll house furniture. Found a bookcase STL file on Thingiverse. It is bigger than desired so I want to scale it down. If I reduce to 50% all is well. But if I reduce to 40%, the desired size, part of the sides of the bookcase go away and some of the books. I see that in preview and it prints the defect as well. I can't figure out why it alters the print.

So I tried 41 and 42%. Not till I get to 43% do the sides come back. Some of the books are still missing though.


Any thoughts?



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    Posted · Cura scaling problem

    Line Width.  Once the walls of the model get too small the nozzle can't fit in there.  You could try setting "Remove All Holes" or maybe "Make overhangs printable" but that would make the model mostly solid.  You would need to check for side effects with those settings.


    You can print with a 0.4 nozzle at .35 line width.  An option would be to go to a .3 or .2 nozzle.  If you slice at a .2 line width you will see the walls come back, but a .4 nozzle won't print that skinny.

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