Also any help on patterning around the perimeter would be greatly appreciated too!!!
Screenshots or a Screencast would help us help you!
In Fusion 360, when you "Project" you're automatically creating a new sketch and projecting selected geometry onto that new sketch. The easiest thing to do is to go ahead and create a new Sketch on your work surface, then select Project under the Sketch menu (or just press "P"), and click the geometry/curves/previous Sketch you want projected. It should show up on your new Sketch.
I agree that this is not exactly obvious 😉
When projecting a sketch onto a curved surface you are creating a form of a 3D sketch. That is pretty obvious.
BUT once you are starting the Project to surface command it want's you to pick plane to sketch on, and that is not so obvious, because why would one need a plane for a non-flat sketch ?
A couple of good questions here:
For the first, the reason is pretty internal to Fusion. This command establishes a dependency from one set of curves to another. To be perfectly honest, we don't have a mechanism to do this within a single sketch. It's no different than a normal Project from one sketch to another - you need two sketches there, as well.
For the second, this is just a general sketch requirement. Fusion does not differentiate between 2D and 3D sketches. Every sketch is inherently both 2D and 3D. This is why Fusion requires a plane to create any sketch. The sketch plane of the "target sketch" in this particular workflow is not being used at all. When you choose "Along Vector" as the "Project Type", the default vector that is chosen is the sketch plane normal of the sketch where the selected curves are owned. You can select a different vector, of course.
Hope this makes it a bit clearer for everyone
Jeff
I am trying to visualize why you would want to project circles around a cylindrical surface. Once you have these circle projects, what would you want to do with them.
My suspicion is that you are attempting to do something that is possibly relatively simple to do when you use different tools in Fusion 360 and would possibly avoid having one or more sketches for projecting stuff.
Can you describe the end result, or provide a hand sketch or other image that shows something similar ?
There are probably lots of ways to do this that are simpler than projecting a curve to a surface. I would probably do something like create a tool body of a cylinder, then create a circular body pattern, and cut the holes by doing a subtract. Here is a very simple example that I hope is at least in the general right direction:
This would work in a general case, such as patterning around a cylinder. But, if you really have a 9-sided polygon shape, which is what I see in the picture, you can even just do a single cut, then pattern the cut.
Jeff
Strange. I can see the screencast in my post. Not sure why you can't see it. Anyway, here is a link to the screencast: http://autode.sk/2bgTONE. Let me know if you cannot follow this link.
Jeff
Hello. I found this thread when searching for information on how to project a profile on a non-flat surface. I'm still stuck, but I recorded a screencast (my very first ever... so bear with me) to show my issues. Oh, and yes, I also did try to select the Y-plane right after the command "project to surface". It's not visible in the screencast, but I tried it right after recording with the same result.
Hi @blacktip,
I apologize. This command is confusing. The problem in this screencast is that you are still editing the sketch which has the existing curves. For this command, you need two sketches. So, the steps would be:
Jeff
Not only is the command a tad confusing. I couldn't get the result I wanted after trying to follow your guidelines. I ended up with a bunch of half connected lines on the non-flat surface 😞
Perhaps someone would like to have a go on my model? Uh, how do I share my attempt of modelling a camera?
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