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hole Horizontal expansion


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Posted · hole Horizontal expansion

I have been printing rc airplanes.  The current one has locating holes for the wings and fuselages.


I have found that I needed to open these up slightly to make them accept the specified pegs.


I just noticed that Cura has an option called 'Hole Horizontal Expansion"' stating that a positive value would increase the size of the hole, while a negative value would decrease the size of the hole.


I applied a figure of 0.05mm  to this, thinking it would enlarge all holes by 0.05mm, however, it has had the opposite effect, and has actually made all the holes smaller.  It is a bit hard to tell how much smaller, but it would even appear to be more than the specified 0.05mm.


I will have to print the wing again, and this time I will try using -0.05, and see what happens.


Could you please have a look at this, as these parts have a 9 hour print time ...


thanks Dave.

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