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Need help turning an jpg into a dxf

Need help turning an jpg into a dxf

Need help turning an jpg into a dxf

(OP)
Hello all,

I'm making an iphone case for my brother, and I want to extrude cut the logo of one of his favorite games into the back. I'm having trouble converting the file into a dxf. I was wondering if any one has tips, or other routes I might take.

I have attached the jpg that I want convert.

Thanks!

RE: Need help turning an jpg into a dxf

Trace might work for this one, although I've never had any luck with it. I would insert it as a sketch picture and sketch over the top of it.

Dan

www.eltronresearch.com
Dan's Blog

RE: Need help turning an jpg into a dxf

I did something like this last week. I used auto-trace, which if your input image is decent quality, is quite good. At least so I thought until I sent the part for laser cutting...

If you want to make it, I'd trace over it yourself. It's boring and if you're going to have it cut out you have to keep an eye on tags, but the results are better. If it's for graphic use only, I'd do an auto-trace.

Tom.

RE: Need help turning an jpg into a dxf

alitahl,

JPEG is a pixel format. DXF is a vector format. It is not easy to convert pixel files into vector. As noted above, you are going to have to trace the thing.

--
JHG

RE: Need help turning an jpg into a dxf

Tip if you do decide to use auto-trace: try to use a very plain image. Black and white is good because the contrast between lines so stark. I used an image with a black background which faded into white and on some areas the trace got a bit confused.

Also, play with the settings on the trace: I found that when you slide the bars around they can quite dramatically change the end result. Also, if you're having the part cut and intend to output a .dxf (for example) and have the facility, look at the output in something like AutoCAD. I found the splines that looked great in SW got divided up into a LOT more sections in .dxf format, which again could be a problem.

Hope this helps!

RE: Need help turning an jpg into a dxf

I would also try using sketch picture. This just drops the picture into a sketch window, from which you can match up curves with splines and arcs. It should get you where you're going.

-Kirby

Kirby Wilkerson

Remember, first define the problem, then solve it.

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