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  1. 20th November 2015, 03:38 PM #1
    rod1949
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    Default CNC Laser Engraver

    I recently brought a Redsail CNC Laser engraver. I'm very new to and in the use of this gear. I've done some lettering and engraved a few photos, but with my most recent the two rocks it has light and dark streaking (the photo does not have this). Can anyone advise why this has happened? Thanks Rod
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  3. 21st November 2015, 07:56 PM #2
    Greolt
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    I don't do photos or bitmaps. All my engraving is vector based.

    Can't say for sure but I would be looking at the relationship of photo dpi and scan gap (might be called something different on your machine)

    For a bit of an explanation, look at this link. Different controller but the principal is the same.
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  4. 22nd November 2015, 09:49 PM #3
    neksmerj
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    Greolt,

    In your post, you say "look at this link" what link?, you may have forgotten to put the link in.

    Ken
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  5. 23rd November 2015, 07:01 AM #4
    Greolt
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    Not sure whether I forgot or it got deleted via moderation.

    http://diylaser.blogspot.com.au/2011...-scan-gap.html
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  6. 23rd November 2015, 10:15 PM #5
    rod1949
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    Quote Originally Posted by THUNDERLASER View Post
    Hi
    may I know those photo is made by your redsail CNC laser engraver which you post ?
    or are you want to engraver photo like which you post?

    yumiko
    Hi yumiko, I have used the Redsail CNC Laser to engrave the photos onto the fibreboard.
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  7. 25th November 2015, 09:12 PM #6
    rod1949
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    Quote Originally Posted by THUNDERLASER View Post
    Hi
    are you use High-resolution images to engrave?
    Yes.
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  8. 25th November 2015, 11:07 PM #7
    elanjacobs
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    What format are the images you're using?
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  9. 26th November 2015, 12:21 PM #8
    rod1949
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    Quote Originally Posted by elanjacobs View Post
    What format are the images you're using?
    Format is JPG and the image size is 2.25 MB.
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  10. 26th November 2015, 09:29 PM #9
    elanjacobs
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    Quote Originally Posted by rod1949 View Post
    Format is JPG and the image size is 2.25 MB.
    Were the successful photos also JPG?
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  11. 27th November 2015, 10:39 AM #10
    rod1949
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    Quote Originally Posted by THUNDERLASER View Post
    what softeware are you use now?
    Its the software supplied by Redsail.
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  12. 27th November 2015, 10:40 AM #11
    rod1949
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    Quote Originally Posted by elanjacobs View Post
    Were the successful photos also JPG?
    Yes
    Experienced in removing the tree from the furniture
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  13. 27th November 2015, 02:59 PM #12
    THUNDERLASER
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    hi
    did you find a BMP on your software?bmp.jpgor you can check below link,maybe it can help you.
    http://www.thunderlaser.com/how-to-use-laser-software
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  14. 27th November 2015, 05:22 PM #13
    elanjacobs
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    Well, there goes my theory about the lossy compression used in JPG making problems...
    Hope you can get it sorted.
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