Creating a sail
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The last step of the tutorial you posted has a call-out..."using FFD, shape according to needs"...
What is FFD?
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Thank you both.
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Those are plugins, FFD and Subdivide in the last one.
Do a search for 'sketchy FFD' and 'sub divide and smooth', they are two plugins of many that one needs (yes, needs) for SU to be powerful.
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awesomeness. I will post the results. thanks again.
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Here is a sail using the Sandbox tools that come with SU. No plugins.
As was said before, there are many ways to do this.
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The little stars represent the FFD points. Used Carpet is not the best material for a sail . ..but I'm poor.
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This was made with Soap Skin and Bubble a while ago:
http://sketchup.google.com/3dwarehouse/details?mid=a5ba1c856e92ac33ebdf91bf2ffe7e7 -
Hello !
This typically the case where plugin SSB is appropriate. You may even adjust the windforce into the sail.
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Hi Skaught, hi folks.
Continuing on Solo's first idea, you can punch a triangular shape in a spherical surface instead of a cylindrical one.
Just ideas.
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Technically sail is an airfoil. So, one of the way to model it is to lay down base airfoil section first. Copy it number of times along the height of the sail. Scale down each section and connect it all. Well, if you want to model it to real shape, sail needs to twist as it go up too; the unsupported side of sail tends to get pushed away with wind load. It all works out as airfoil, because wind aloft is stronger than at the boom. If you are racer, this airfoil needs to be in prefect form to get the maximum power out of wind.
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I think with all of the input Skaught is getting on sails (s)he could've modelled Old Ironsides by now.
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Much quicker and much cleaner...
I used the FFD plug-in on a flat shape (some horizontal lines across the shape helped to make it a little smoother across the middle when distorting).
Although, it took a few tries to get it smoothed out right, it was much faster than my previous attempt. It's actually not a sail.... (air foil lol), but a piece that will be formed out of resin and attached to a larger display (to promote that "sailing feel")....hopefully.I was going to try the Sub Devide and smooth tool (watched the tutorial on smustard.com...looked really cool) but it costs $22 bucks. Will check out the rest...
This is the second time I have asked for help in these forums and the second time i have been amazed at the response. Thanks to all....a lot.
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You have a free Version of Subdivide at Smustard by Rick Wilson
Less elaborated but useful too
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