Modeling a hypar shade sail
chad_huleatt
Member Posts: 8 PRO
Hi, trying to model a hyperbolic parabola, the form a piece of fabric takes if you tension it from four points where two diagonal points are higher than the other points. No idea how to start or if this is possible in onshape.
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Answers
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Hi @chad_huleatt,
Check this out, this is the low-effort version that you can pretty much scale this up as you wish: https://cad.onshape.com/documents/fc52a198499baa1f098ea16a/w/bbf1663888fe3421b91e1d34/e/625b05eb623b047d48c70857?renderMode=0&uiState=62bb6127f719a30e43837472
But if you know a particular equation you are looking for, you can use this custom feature: https://cad.onshape.com/documents/57a62df8e4b03de4c9fcf154/w/f6d71f3d862b522902efcd68/e/ece65382fcd820281a9ee704Support & QA2 -
Thanks @Jason_S can't believe the rapid response! Onshape rocks!1
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Accidentally posted about the sun study in this area so I deleted this post
I need a cup of coffee0 -
Here's how I'd do it. 2 features and lots of control. Corner count doesn't matter. If you need a mathematical hyperbolic parabola or for the straight sections to curve like they would under tension, it get's definitely more complex.
https://cad.onshape.com/documents/000314657ad47a078765950e/w/73195f16516224d9a9bd42ec/e/eecea850f2e526fb1fb1eaa9
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