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From: Michael Gibson
Hi Billabong, also another possible technique is to do a sweep in 2 passes using 3 profile curves with the middle one slanted like this:
The pieces then will touch at their ends so they can just be joined with no extension and intersection needed.
The problem with that method is that the surface won't be an exact tube with a precise circular cross section at all points along the rail, the shape mutates a little bit as it travels along the rail and transitions from the circle profile to the slanted profile.
That's why sweep doesn't use that method currently but I would like to make it an option.
- Michael
Image Attachments:
billabong_sweep1.jpg
billabong_sweep2.jpg
billabong_sweep3.jpg
From: Billabong
Thanks Michael. What if the actual rail had more than that one corner? Say 4 different corners. Can I use 4 different profiles or is 3 the limit?
From: Michael Gibson
Hi Billabong, there isn't any limit on the number of sweep profiles. But for this other technique you only sweep one smooth piece of the rail at a time, between 2 profiles at either end of it.
That's to avoid extensions.
- Michael
From: Billabong
Understood. Thanks Michael.
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