from scratch dome tutorial?

archz2

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Jan 26, 2015, 1:35:42 AM1/26/15

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Hi Goch!

I was blown away by your domemodels on 3d warehouse. Can anyone please post a tutorial on "start from scratch" for the amazing domes goch makes?

Paul Kranz

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Jan 27, 2015, 9:48:13 AM1/27/15

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Arjun:

Are you talking about making them from scratch on a computer?

Paul sends...

On Mon, Jan 26, 2015 at 1:35 AM, archz2 <arjun...@gmail.com> wrote:

Hi Goch!

I was blown away by your domemodels on 3d warehouse. Can anyone please post a tutorial on "start from scratch" for the amazing domes goch makes?

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Very high regards,

Paul sends...

ReviveTheFlame.com

archz2

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Jan 31, 2015, 10:01:15 AM1/31/15

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Yes, on a computer. I am using windows 7-64 bit. I found the method here, http://www.domerama.com/software/sketchup-3d-geodesic-tutorial/

but can't seem to understand what are the various axes of rotation that are taken?

Paul Kranz

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Jan 31, 2015, 10:43:06 AM1/31/15

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Arjun:

Maybe a model would help. I could sent you a pattern that you could cut out, if you'd like.

Paul sends...

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Paul Kranz

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Jan 31, 2015, 12:40:04 PM1/31/15

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Arjun:

What kind of geodesic dome model would you like to build?

Paul sends...

TaffGoch

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Feb 1, 2015, 10:37:07 PM2/1/15

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Arjun,

All rotations are around primary axes of the icosohedron -- NOT the x,y,z primary axes inherent to SketchUp. Rotations around non-primary axes is readily-available in SketchUp, but you have to dig, a bit, into the Users Guide. Here's a description:

https://sites.google.com/site/sketchupsage/tweak/rotate#rotate

http://help.sketchup.com/en/article/94897

The trick is to use the "click & drag" technique, to (re)define endpoints of the axis of rotation. I use the icosahedron center & a face-vertex to define 72° rotations. For 120° rotations, I use the center of the equilateral-triangle face of the icosahedron. (I generally place a guide-point at face centers, to be used as "inference" for subsequent rotations.)

I could not model geodesic domes/spheres without this rotation method. While it's not really a "trick," most users, who are new to SketchUp, do not know about, or do not employ, this critical rotation feature of the program.