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3d view doesn't match sheetcam view

Discussion in 'General Talk' started by Chris611, Dec 24, 2023.

  1. Chris611

    Chris611 New
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    I'm using Sheetcam to nest parts for my plasma. I output the gcode as a .tap file. Then open it in Openbuilds Control. The 3d view shows parts interfering. I used nc viewer online and the parts don't touch. Why is the Openbuilds Control showing parts interfering? If I zoom way out, the start to spread apart and stop touching.
     

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  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Viewer shows the gcode you provide. Perhaps that GCODE isn't 100% Grbl Compatible. Arcs calculating incorrectly could indicate either wrong preferred type (Grbl prefers IJK not R) or incorrect decimals etc

    Or its offset in Z rotate the view and check from the side too
     
    #2 Peter Van Der Walt, Dec 24, 2023
    Last edited: Dec 24, 2023
  3. Chris611

    Chris611 New
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    Ok. I'll look into that. Yesterday I nested about a dozen parts and it worked fine. Today I went to cut the rest and ran into this problem.
     
  4. Chris611

    Chris611 New
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    I did some messing around. I think it's a perspective issue with the 3d viewer. I'm not sure why each part is on a different "layer." But I think that is causing the perspective view to make it appear that cuts are crossing each other. To test this, I re-ordered the parts left to right so they were closer spaced in the z axis and it kept the cut lines from appearing to cross in the 3d viewer.
     

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  5. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Figured yes. Your job has weird Z offsets. Fix that in CAD/CAM before generating gcode
     
  6. Chris611

    Chris611 New
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    ok. I'll look into that. Here is the g-code that I'm using. Cut with it this morning and it worked.
     

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