I'm not understanding what you are trying to do here. Are you wanting the J shape to be a solid model?
I'm seeing 4 different sketches, each having a small portion of your J. None of them are complete sketches, or form a closed loop. There's no way you are going to create a solid model with that.
Are you trying for something like this:
If so, your sketch needs to be one single sketch, a complete closed loop forming the outline of the J shape. Like this:
If your Plasma cutter uses .dxf, .svg or similar files, have a look at this thread. Also, the tutorials in the last post in this thread are pretty good if your struggling with Atom:
Hello, I have Atom and just picked up a Laser. I have NO art skill, I am still learning Alibre :). I am trying to export a sketch to in some format that LightBurn can read. I see people saying SVG, but my export/screen shot only has JPG/PNG. I also own Rhino3d so I was thinking about export to...
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