On Tuesday 30 March 2021 22:37:47 Gene Heskett wrote:
Success, sorta. I did a factory reset on the dremel, then put the
nozzle .2mm closer to the BuikldTak I'd put on the glass, put a new
hardened steel nozzle it it and put the top cover back on the head.
Reset cura for 100% flow and 10 mm faster speed. Basicly back to square
one Did a guided fine tune of head gap for almost none since cura thinks
the first layer is only .05mm high.
Fired off a test print and went to bed. This morning I had to sharpen my
putty knife again so I could get under the brim, which was stuck damned
tight to the buildtak, and several minutes later had it in hand. Looked
skinny for something that was supposed to be 9.5mm tall, but wasn't,
only 6 something. Math error on my part, changed src code to fix that,
made the bb channel a little bigger as the .01mm preload was too much,
150 stuffed into this one isn't quite full and is way too much drag, and
openscad is rendering the new version now. About an hour, maybe more.
Progress, as the old man learns openscad. But at least I've got something
that doesn't work very well, but looks like a bearing anyway. And I just
started it again after fixing my math, this one should be pretty close
of a usable, final copy. My math error was in useing a cylinder{, $fn=4)
to generate a square as the tips of the corner are the diameter of the
circle. Ooopps. And I think the cube renders faster, it was a bit under
an hour to render to an .stl to feed cura. All that from 27 lines
of .scad. :) If only openscad had a buffer for the basic render, and
could then build the output with the for loop only copying and rotating
that image into the final buffer, but it has to regenerate all of that
360 times to get a one degree output resolution. And it wouldn't hurt
if it was multithreaded, cura is and quickly runs all 6 cores of this i5
into the 65C territory.
And I just screwed up, and it looks like I'll have to build the 4th of
those Dells I bought in order to get a Buster install to run the latest
AppImage, it won't run with my stretch's libc-2.24 needs 25 or 27.
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)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>
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