Sketch sticky

[mountainkiwi]

Hi community, first post ever - sorry to bother

Quite the beginner, Fusion looks like what I need. I have played about a little on Rhino for Mac to start with and could learn, as well as draw close to what I wanted. I got the pip with Fusion trying to learn and went back to Rhino only to find out how much I liked Fusion after all...

I've rifted through forums and watched training videos, and I'm still not grasping how to freely move a simple sketch in the desired plane. I still have not sighted any constraints that are spoken of, so I've caved in and am posting this. 

Wing airfoil section created from splining around an imported .svg file with a 3 point arc at the trailing edge. That's all I've done and want to drag it to where the tip position is so I can do the same for the root then loft and carry on with life.

Feeling a bit stupid..

[LMD001]

Hello @mountainkiwi,

Welcome to the Fusion 360 Community!

For Lofting you can create different Planes and draw your profiles on these, you should be able to move the sketched profiles on their planes, mind you that constraints may interfere.

This is a very good video Mike Aubry did on the subject of Lofting: https://www.youtube.com/watch?v=fXQ28AVaMh0

Hope is of any help.

Best regards,

Ludo

[Beyondforce]

Hi @mountainkiwi,

Can you be more specific to where do you want to move the sketch?

1. If you want to move the sketch in the current plane, then you can use Dimensions or the Move command.

2. If you want to move the sketch to a different plane, this can be done easily with the Redefine Sketch Plane command.

Just let me know what you want to do and I'll help you.

Cheers / Ben
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[HughesTooling]

I did the screencast below to demonstrate how to import a DXF file and move the sketches to different planes. With an SVG you could create the plane first and select the construction plane when you insert the SVG.

Mark

[HughesTooling]

@mountainkiwi, @michallach81 did a nice screencast that shows how to work with splines in Fusion here.. Fusion can't edit imported splines so it might be a good idea to try and make them in Fusion.

Mark

[jeff_strater]

@mountainkiwi:  It looks like you are doing things OK.  One point to know:  Move Sketch Objects does not move an entire sketch, but curves and points within the sketch.  I say that only because I see you trying to select the sketch in the browser, and today, at least, this does not work.  That's a minor point, though, because later you do select the curves in the sketch and Move should work on them.  The behavior that you see is unexpected.

Can you possibly share this design with me, so that I can take a look at this sketch?

Thanks,

Jeff

[mountainkiwi]

Firstly I'd like to thank LMD001, Beyondforce, HughesTooling & jeff.strater for the replies. Really appreciate others extending a helping hand, made my day. So after reading and watching the referenced videos I get now that the best way is to start a new plane, create your curves and loft between desired sketches on their respective planes. All confident I go and try it and didn't get very far. Imported .svg files, used them as a template to spline around the points within the file (which I must say makes nice curves straight out of the box). Attached screencast showis me failing to be able to move the new profile around into position. The profile I used on the tip has spline curves throughout except for the trailing edge where again I used a 3 point arc (because I saw someone else do it...). Is there a join command I need to activate so the entire profile moves together?

[mountainkiwi]

Hi Jeff,

I'm clicking on the share under the file drop down menu - not a lot of joy. Open to any scrap of education!

I'm kicking myself for not getting involved in cad earlier in life, realizing making things by hand isn't going to cut it these days....

Cheers!

Richard.

[Beyondforce]

Could you please attach the file? I want to see why it's not working for you!

I have create an aerofoil using the spline command, and I had no problem moving the sketch around.

[jeff_strater · Accepted solution]

Hi @mountainkiwi,

Sharing a file is unfortunately not as straightforward as it maybe should be.  There are a couple of ways to do it.  The Share menu should have submenus, one of which is "share public link".  That should produce a link that you can post here.  If that doesn't work, then the "Export" command, specifying a "archive file (*.f3d)" as the type, and choosing "Save to my computer" is another way to get a local copy of the file, which you can attach to a post here.

Here is a screencast:

Hope this helps.

Jeff

P.S. it's never too late to learn CAD - you will get the hang of it in no time.  And, never hesitate to come here to ask questions.  There are lots of knowledgeable folks here that enjoy helping!

[mountainkiwi]

Hi Jeff, as attachment...

[mountainkiwi]

Did this come through ok?  Root .svg profile curves deleted so they won't show up, I did this before I found I could just turn off the visibility - d'oh.

Cheers,

R.

[jeff_strater · Accepted solution]

Hi @mountainkiwi,

I apologize for the delayed response.  I have taken a look at your design, and I understand what is the problem here.  The points of this spline are all coincident with points that are projected from another sketch, and so these points are fixed and cannot be moved, so the spline itself cannot move freely:

If you delete these constraints, then the spline is free to move.

Here is a screencast showing how this can be done.

Jeff

[mountainkiwi]

Hi Jeff, thanks so much for your time - we're cooking with gas now 🙂