On Saturday, 26 March 2022 02:28:04 EDT Chris Albertson wrote: > If you don't want a multiplier that you can add or subtract is the > "Walls/Horizontal Expansion" and "Wall/Hole Expansion"
I've seen those, set for 0 ATM. I suppose if I use the hole expansion, and it worked for a gap as big as these bearing races, I would have to shrink little self tapping 3mm screw holes. The explanation for each, really isn't explicite enough. I suppose I could start with wall/ horizntal expansion set for half the nozzle size and play with the sign to see which way was the right way. But wouldn't that need a corresponding change in the ID and OD to maintain the same fit? I'm not sure cura is recognizing that the cutaway between the races is a hole, as Its laying a band of brim in the gap where the balls go. And its been tieing the brim solidly to the part with a .35mm spacing, so I risked a red line and tried a .55mm space. The preview seems to indicate a gap now. Which should make the brim a lot easier to remove. I also lost an hours rendering time by allowing it to cross over a space narrower than the nozzle, but in this bearing race, there isn't such a condition. pix from openscad attached. Still the 3% correction. Assembled, runs nicely. So I have a set of 40/1 guts for this thing now. Whats in it now is 50/1, and explores every nook and cranny in the printers resolution with a .4mm PCD nozzle in it. > Chris Albertson > Redondo Beach, California Thanks Chris. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis
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