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Thread: Skew by Bounding box
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06-20-2015, 07:19 PM #1
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- Jun 2015
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Skew by Bounding box
Hi everyone
Hopefully someone can point me int he right direction.
I have an object I want to make fatter at one end
To help you understand image a egg, and take the bottom half of that egg and make it bigger, but the top half has to stay exactly as it is
It is possible to manipulate a file in this manner? Maybe to skew it using only four points in a bounding box??
And if so which program out there is most suitable?
I have used Blender, Tinkercad, Autodesk 123d, Meshmixer, Meshlab and Daz
But I just cant seem to get any of these programs to do what I want to do
Anyhelp would be most appreciated
Cheers
Julie
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06-21-2015, 09:29 AM #2
Well.... In OpenScad I would make a 2 dimensional object and extrude it at different rates as I moved through the 3rd axis. And that extrusion (or offset) number can be the result of a function so you can make it do what ever you want.
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06-21-2015, 06:03 PM #3
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- Jun 2015
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I already have the object that I want to tweak
Never mind, I guess it can't be done - so back to the drawing board
Thanks anyway
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06-21-2015, 08:02 PM #4
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It can be done in Sketchup with the FredoScale plugin tools.
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06-21-2015, 11:57 PM #5
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- Jun 2015
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I had a play in Sketchup, but it doesn't look like Sketchup can import STL or OBJ files. So I don't think I can get my file in there
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06-22-2015, 07:17 AM #6
While you could easily cut your model in 2, keep the upper part and then redo the lower half, you will soon reach a limit of what you can do with an STL : it will be very difficult to create a seamless integration. What I mean is however hard you try, it will be close to impossible to do a mesh that will have the correct tangence at the seam (see picture below, I kept your eggcellent example).
It would be much better if you worked with a parametric (engineering) CAD software. Because a proper engineering software allows you that kind of modifications.
egg story.jpg
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06-22-2015, 10:24 AM #7
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- Mar 2015
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- San Diego, CA
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Printer will print perfect...
06-14-2024, 10:44 AM in Tips, Tricks and Tech Help