Loft to get a cylinder with hole (a hose)
gauthier_östervall
Member Posts: 99 ✭✭
Why can't I seem to loft between these faces?
The project: https://cad.onshape.com/documents/c6282b37bc2c57450d81c93f/w/d55aba687ead91b93b3f1925/e/85c614acc7d029ff4a4ea69b
The project: https://cad.onshape.com/documents/c6282b37bc2c57450d81c93f/w/d55aba687ead91b93b3f1925/e/85c614acc7d029ff4a4ea69b
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Best Answer
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@gauthier_östervall
Loft help says "Nested loops in profiles are currently not supported".
However, you can do this with two loft commands. See the gif attached.
www.accuratepattern.com1
Answers
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Would you not be better just extruding the 1st sketch?
Alternatively you could use the sweep command....see attached
https://cad.onshape.com/documents/2508b8cedc0f48d7923b9a64/w/dd7e7bad017c6762a65c2faa/e/1ec4cd6a5dfd68df68d7b739
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I started with an extrude, but then I wanted a draft on the outside but not the inside. The original model where I first saw the issue had a smaller outer circle in the second sketch.GWS50 said:Would you not be better just extruding the 1st sketch?
That's how I'm solving it right now, extruding the whole cylinder (no hole) with draft, then extrude remove the hole without draft.
But I'm mostly looking to learn, so although I'm not blocked by this issue, I'd like to know what's going on: am I doing it wrong and Onshape failing to do this is legitimate (why?), or is it an Onshape limitation?0 -
@gauthier_östervall
Loft help says "Nested loops in profiles are currently not supported".
However, you can do this with two loft commands. See the gif attached.
www.accuratepattern.com1 -
@bruce_williams So, limitation of the tool. Thanks for taking the time to answer!0
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I am trying to follow along with the gif but the inside hole gets lost after I Loft.
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Here's a sample of sweep and extrude/draft. and revolve to accomplish what you're looking for.
Loft is the least effective option for this part.
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Siometimes, it helps to just eliminate the loops. e.g. by using half-circles, if the design is symmetrical to at least one plane:
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