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Sharpie ARt

Discussion in 'SketchUcam Help' started by Ringo Davis, Jun 26, 2018.

  1. Ringo Davis

    Ringo Davis Member

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    How do you do sharpie art? I found the spyvsSpy and want to make it, but I need to rotate it. Do you do a pocket and set the depth very low or something?
    Thanks
    Ringo
     
  2. ewo

    ewo Moderator Staff Member

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    you do have a sharpie attachment ???????? just asking
     
  3. Ringo Davis

    Ringo Davis Member

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    Im making one
     
  4. ewo

    ewo Moderator Staff Member

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    when you have it its real easy to use
    put z axis about one inch above the material then install the sharpie at z home
    I have videos online
     
  5. Ringo Davis

    Ringo Davis Member

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    I have to rotate it, so i need to re-generate the gcode. So for example, the red part, do i do a flood fill on that, if so what do i set the % to, and what do i use for tool width?

    Send a link to the videos please.
     

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  6. Ringo Davis

    Ringo Davis Member

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    My cheapie little holder seems to work.
     

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  7. swarfer

    swarfer Moderator Staff Member

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    tool width is width the pen draws at the applied pressure, on that material.
    stepover% is 100%
    but, you may need to drop that a little so there is consistant overlap so there is no gap in the ink.

    I would set material depth to 1mm and set all pocket depths to 100%.
    in this I way know the pen will always travel 1mm down and I can adjust my Z=0 point to get the engagement I want.
    you may need to change this depth according to the strength of your spring.
     
  8. Ringo Davis

    Ringo Davis Member

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    whenever I "explode" the black part of SPYvsSPY, it crashes sketchup. I tried 2016 and version7. Any thoughts?
     
  9. TigerPilot

    TigerPilot Well-Known Member

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    Most crashes on SketchUp happen when SketchUp is trying to auto save. Turn the auto save feature off and maybe the crash will not happen again.

    Search on this forum, or on the web, for turning off auto save.
     
  10. Ringo Davis

    Ringo Davis Member

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    Didn't help
     
  11. swarfer

    swarfer Moderator Staff Member

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    I need the file....
     
  12. Ringo Davis

    Ringo Davis Member

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  13. swarfer

    swarfer Moderator Staff Member

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    Here you are, saved for V7.

    It crashed my Sk8 and Sk13, but then I edited the group and deleted most of the hatch lines. When I exited the group edit (or maybe when I saved just after that) Sketchup told me there was an error in the file and it will fix it. After that I was able to explode that group.
    It took about 10 minutes....

    I have now deleted all the hatch lines and have added some example pocketing using the FLOOD pocket method.

    my 'tool' is 0.020 with 100% stepover and 100% depth.
    you need to measure your drawn line width and use that as the tool size! (cannot be smaller than 0.003")
    maybe @kram242 can give us some tips on spacing.

    you have to split the complicated shapes up into simpler shapes (the FLOOD tool can handle most of it as one shape, it just takes a loooong time and if you have to fiddle it takes longer. better to fiddle small parts).

    for each shape select the pocket tool, hit HOME, hold CTRL and insert the outline, then release CTRL and wait for the zigzag to appear, and click then press spacebar. these operations can take a while so be patient, even on my quad core i5 I have to wait since the flood algorithm is generating thousands of points for the line segments at 20thou spacing.

    Note that some outlines that are inserted will fold upon themselves and the zigzag will fail. just split the outline into parts by inserting lines as needed (to make sketchup break the outline) and try the zigzag again.

    there will be areas where an outline will not fit, or a zigzag will not fit inside an outline.
    when an outline will not fit just set the lines as 'centerline cuts'.
    and obviously, if a zigzag won't fit then you don't need one there as the tool will probably overlap anyway.
     

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  14. Ringo Davis

    Ringo Davis Member

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    Thank you, Thank you, I really appreciate it.
    Ringo
     

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