Twisted and curving path
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Sorry - can now create the single surface again - select paths with just lines joining them at either end, then double click in middle (as per instructions at start of curviloft thread - d'oh). Unfortunately this still doesnt help me produce the same form with some thickness/depth in SU
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Joint Push/Pull?
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If you could post a .skp with just the curves you want to use. After all, it's not the curve creation you want help with.
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A one minute work,FredoScale bend tool:
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That would be my suggestion too, thanks Gilles.
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This made me go looking in the Plugins Index.
Jim Foltz's Simple Shell
ThomThom's Shell -
Thanks gilles thats great! Did try using a combination of twist and bend but wasnt sure where to apply them or the lengths of the axis. Any chance of a quick step by step otherwise perhaps ill look up the fredo manual/tut vids. Cheers for demonstrating how ridiculously simple this should be!
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Thanks Gilles - that is amazing! I will take a look at it later and hopefully can kick on from there - thank you so much!
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@ GillesMy way use Shape Bender. Just take care the two pathes must have the same length.
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Yes, I use it to, but if you have multiple bend.
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@daredevil said:
:thumb:
@ GillesMy way use Shape Bender. Just take care the two pathes must have the same length.
[attachment=0:3gv2f0sd]<!-- ia0 -->bend.jpg<!-- ia0 -->[/attachment:3gv2f0sd]Thanks DD, I'm not familiar with that plugin but will give it a try too. Thanks for all your help guys!
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Thanks to everyone for all your help. Below are some images showing a basic model demonstrating the principle of the stair I am aiming to create. I have created a star along the original rectangle as modelled by gilles, and then followed the procedure to bend it.
I actually want the length after the bend to be at 90 degrees to the original length, but raking down at an incline (say 45 degrees the purpose of this test). I have gone through a number of attempts to bend this 'stair' back up from its vertical position. Any thoughts on how to achieve this in a way that achieves a graduated rescaling around the 'fold'? Alternatively should I be looking to alter the original transformation to arrive at the form I am after. I fear if this is the case then it may come back to basic maths which Gilles has already demonstrated he has a far greater talent for than me!
Below are some of my attempts so far with the last probably being the closest to what I'm after:
My model file if tis any use?!
No problem if nobody knows - this thread has already been a massive help to me so thanks!
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Not sure to see what you want to draw, any reference pic even hand made?
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@alcohorse said:
I am not good with rhino however and it would be great if I could cut it out of my workflow for this project and just get curviloft to work in the same way.
in this particular case i would prefer "extrude edges by rails" from TIG extrusion tools.. actually i think is the more accurate and it also looks like the more "rhino-esque way"
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@gilles said:
Not sure to see what you want to draw, any reference pic even hand made?
Thanks Gilles. I don't actually have anything firther at the moment - the stair is envisaged as being part of a large mixed use building and is just a concept idea at present. Thanks for all ideas but the bending solution is definitely the best for what I need as it will transform the stair tread and glass handrails that will also be included.
Obviously people will only be able to walk on the stair once the treads become fully horizontal I think I have all I need for now - I will probably post again when I am further along.
Thanks everyone, and gilles in particualr for taking the time to label up your explanation.
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You're welcome, don't forget to post your work on progress.
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I'm curious now, you have added the stair idea, but the shape you are talking about folds back on itself, therefore making it impossible to form a walkable staircase, unless your name is Escher.
Are you trying to make something like this?
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