topic Re: DXF import help in Fusion Design, Validate & Document Forum

DXF import help

Anonymous — Mon, 14 Dec 2015 03:55:41 GMT

I have a a DXF and DWG from AutoCAD that I am trying to make a solid out of. I had to scan in the orignial part, vector trace with CorelDraw, and then make the changes with AutoCAD which worked really well for what it's worth. Now. I don't have much good to say about Fusion360. I have been using SolidWorks for a couple years and every time I try to use Fusion, it just seems too complicated and too messy. But I am trying to learn it.

I get the DXF or DWG into Fusion onto the grid. I cannot extrude anything but the 2 circles inside the main outline, the circles should be holes. I grouped the entire outline in AutoCAD, I redrew the outline so that it was surely 100% complete and closed. But I cannot manipulate it in Fusion, which seems ridiculous as they are AutoDesk programs and would assumingly mesh well. It says read only, etc. Each line was drawn by me, I only used the vector trace as my guide for the right hand side of the lever.

How do I get this to work? How do I get it to extrude this drawing?? I will be using my 3D printer to make this.

Thanks!

Re: DXF import help

HughesTooling — Mon, 14 Dec 2015 10:27:40 GMT

The profile is not closed, when a profile is closed it will shade like the circles. There's an app available here to find openings in sketches.

Something else that could be a problem is fusion can't work with some types of spline, I think AutoCAD has a tool to convert splines to arcs and lines, that might help. Any chance you could attach the DXF file it would make helping you a lot easier.

Mark

Re: DXF import help

Anonymous — Mon, 14 Dec 2015 14:26:21 GMT

What app is used for that? I'm used to SolidWorks and they have a tool to find the openings and such in the program. Like I said, I'm pretty new to Fusion, but I've been using AutoCAD for years, just trying to figure out how the dynamics works from 2D to 3D.

I've attached the DXF. Thanks for the quick response!

Re: DXF import help

HughesTooling — Mon, 14 Dec 2015 15:14:43 GMT

Sorry the link for the app didn't highlight. sketchchecker

Mark

Re: DXF import help

HughesTooling — Mon, 14 Dec 2015 16:00:48 GMT

The forum will not let me upload any more pictures today so I can only upload your file that I've fixed. I had to replace one spline and join 2 openings. The spline has tangent constrains added so you should see which one was the problem.

Mark

Re: DXF import help

HughesTooling — Mon, 14 Dec 2015 17:08:40 GMT

Here are a couple of pictures that show the problems.

Here are the breaks in the profile.

And here's the spline I needed to replace.

Mark

Re: DXF import help

Anonymous — Tue, 15 Dec 2015 00:10:09 GMT

Thank you!

It won't let me open though. It says it can't open local files.

Re: DXF import help

HughesTooling — Tue, 15 Dec 2015 09:30:24 GMT

to open the f3d file go to the file menu and pick New Design From File.

Mark

Re: DXF import help

Anonymous — Thu, 17 Dec 2015 00:51:28 GMT

That worked! Thank you! Now how do I get it to let me fillet ALL of the edges after I extrude? I only lets me pick certain ones....

Re: DXF import help

HughesTooling — Thu, 17 Dec 2015 14:49:20 GMT

Can you export the f3d file and attach to this thread and add some screen grabs of the problems.

Thanks Mark

Re: DXF import help

Anonymous — Fri, 18 Dec 2015 07:28:11 GMT

So it only lets me do a really small fillet on some edges. I can't figure this out... I'm sorry I have all these questions and issues... I really am trying to figure out this program but coming from SolidWorks just makes this more foreign to me.

Re: DXF import help

HughesTooling — Fri, 18 Dec 2015 09:48:12 GMT

The problem is bad tangence between the profiles. I made a copy of your sketch and redrew some of the splines and added some tangence constraints and it will now fillet up to 1.45. I tried adding more constraints but they modified the shape too much. You might be better off importing the scan as a canvas and manually tracing in Fusion if you need it better.

Here's what it looks like after the modifications.

File attached with 2 components original and modified.

Mark