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Quick Arc

 
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harper
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Joined: 19 Jul 2007
Posts: 283
Location: Hamburg, Germany

PostPosted: Sun Feb 28, 2010 1:05 pm    Post subject: Quick Arc Reply with quote

I found a very quick method for creating arcs like this one



but without all those tri's produced by the subtract-method. See here:

http://www.harpersoft.de/Meynis/deled/deled_tut2.wmv
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Jeroen
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Posts: 5334
Location: The Netherlands

PostPosted: Sun Feb 28, 2010 1:17 pm    Post subject: Reply with quote

Very nice! That's a very creative solution you've got there Harper. Smile
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chronozphere
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Joined: 20 Jun 2006
Posts: 1010
Location: Netherlands

PostPosted: Sun Feb 28, 2010 1:21 pm    Post subject: Reply with quote

Great tutorial. Smile

It should also be possible with lathe + path's but I haven't figured that out.
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AWM Mars
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Joined: 06 Jan 2010
Posts: 1195
Location: Wilts England

PostPosted: Sun Feb 28, 2010 1:27 pm    Post subject: Reply with quote

That is a great method and one I've been wondering about, as I wanted to form Stone Arches over door and window openning, now I know Smile
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Jeroen
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PostPosted: Sun Feb 28, 2010 2:09 pm    Post subject: Reply with quote

You can do it even faster.

- create the cylinder
- delete half the vertices
- delete the top and bottom polygons
- select all the remaining polygons
- extrude them by region and have Keep Original Polygons and Flip Original Polygons checked

That's it. Give it a try! Smile
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AWM Mars
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PostPosted: Sun Feb 28, 2010 3:27 pm    Post subject: Reply with quote

Jeroen wrote:
You can do it even faster.

- create the cylinder
- delete half the vertices
- delete the top and bottom polygons
- select all the remaining polygons
- extrude them by region and have Keep Original Polygons and Flip Original Polygons checked

That's it. Give it a try! Smile

Yes, that worked as well, albeit I had to flip all the polygons as it was inside out, no big deal, click of a button. Very Happy

I don't know if anyone else gets the error when selecting the 2 disc faces and deleting them? I click ok once, then simply close the error window with the X top right corner, the 'error' goes away and I can continue.


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Mr.Fletcher
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Joined: 07 Aug 2004
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PostPosted: Sun Feb 28, 2010 7:07 pm    Post subject: Reply with quote

The way I'd do it:
Create cylinder, select upper and bottom face
Inset both faces and Connect them (result is a ring)
Now delete all the unwanted segments and fill both remaining endings

Just sayin'
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harper
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Joined: 19 Jul 2007
Posts: 283
Location: Hamburg, Germany

PostPosted: Mon Mar 01, 2010 1:18 am    Post subject: you are faster Reply with quote

OK, Mr. Fletcher, your way is much more elegant - and faster.
I never used the "connect"-funktion. Now i will.
But i hope to have demonstrated how flexible a filled irregular polygon can be used.
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userboo
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Joined: 11 Aug 2008
Posts: 15

PostPosted: Mon Mar 08, 2010 1:10 pm    Post subject: Reply with quote

Oooh, this could be used to make a stone bridge in a mediaeval setting.
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