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From: amur (STEFAN)
Hi James,
now that is really cool, bravo! I had to look twice to find the "pole" areas... :-)
P.S. Googling for example for Goldberg spheres i figured out that i did those long time ago
with MoI and my MoI model is the first image. :-)
https://www.google.de/search?q=goldberg+sphere&tbm=isch&tbo=u&source=univ&sa=X&ved=2ahUKEwiglMXDh-_cAhVLEJoKHQmEAlsQsAR6BAgFEAE&biw=1173&bih=885
I think i make a flat surface only version, with colors.
Regards
Stefan
From: mkdm
Hello everyone!
WOW! ...what a wonderful things!!
Yes...Max's V Scripts "family" are really awesome!!
I have used them some year ago for the first time and they help me a lot in many situations!
From: amur (STEFAN)
Hi all,
my Goldberg (1,4) sphere re-modeled. Render maybe follows later.
image hosting
Regards
Stefan
From: James (JFH)
Hi Stefan,
Beautifully done!
Can you please outline the steps to achieve this result.
Much appreciated
James
From: amur (STEFAN)
Hi James,
thanks. Sure, i will show the steps required to create Goldberg spheres with MoI when i come home this afternoon,
because it requires addional free software and i don't have currently the link (and other infos) handy.
I hope i can do so around 16-17 pm CET.
Regards
Stefan
From: Mik (MIKULAS)
Excellent pattern, Stefan!
Respect.
Mik
From: amur (STEFAN)
Thanks Mik.
Hi James,
a small tut, with no pictures, but i hope
it is easy to understand.
Quote user genna87 from Reddit posting:
"With Antiprism you can generate any Goldberg polyhedron:
geodesic -c m,n ico | pol_recip | canonical | off_util -g | off2obj > /path/to/file.obj
m,n is the desired class ( eg: 4,0 )"
http://antiprism.com
I used for m,n = 1,4 like shown in Wikipedia:
https://en.wikipedia.org/wiki/Goldberg_polyhedron
Once you have the polyhedron import it with obj import script
and then create a slightly smaller solid sphere near the polyhedron
and additionally place also one point object in the scene.
After that align all three objects, so that they are centered
and copy/paste the edges from the polyhedron. Then do a point
extrusion (no caps) with the obtained lines and the centered point.
Use the generated surfaces to trim the solid sphere.
Now you have a Goldberg pattern on your sphere, which you
can then colorize with MoI.
That's all. :-)
P.S. since i'm no Math geek like you and others i have to
check out why i have problems with creating a Class II
polyhedron.
Regards
Stefan
From: amur (STEFAN)
...same sphere with different colorization and seam removed.
bild für foren hochladen
Regards
Stefan
From: amur (STEFAN)
Hi all,
O.k.now i figured the Class II out, by omitting the canonical parameter in geodesic.
Here a Goldberg sphere 6,6 without a seam. :-)
Regards
Stefan
Message 9014.94 was deleted
From: amur (STEFAN)
Hi James,
thank you very much, much appreciated! :-)
The stamp looks really cool!
Regards
Stefan
From: amur (STEFAN)
Hi all,
and a rendering of a re-modeled version, so that i have the black lines as a mesh too.
Regards
Stefan
From: amur (STEFAN)
...and as a little freebie for the community,
here's the download link for both 6,6 versions, in .3dm NURBS format.
https://keybase.pub/stefan_claas/3D_models/Goldberg_sphere.zip
Regards
Stefan
From: mkdm
Very nice! Really very nice! I like it :)
From: amur (STEFAN)
Thank you very much Marco!
Regards
Stefan
Message 9014.100 was deleted
From: Frenchy Pilou (PILOU)
First contact! :)
From: amur (STEFAN)
Very nice Pilou!
Regards
Stefan
From: amur (STEFAN)
Hi all,
here is just a little 3D print of my Goldberg sphere. Diameter is 5cm.
Regards
Stefan
From: mkdm
Very cool!!
A nice "tangible" 3d doodle!
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