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IndustryArena Forum > CAM Software > Vectric > Corian Color Lithophane Lamp!
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  1. #1
    Join Date
    Sep 2005
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    116

    Corian Color Lithophane Lamp!

    Corian Color Lithophane Lamp!
    Try saying that fast 5 times!
    I made the entire lamp out of 1/4 inch Corian and cut the Litho with a 45 degree V-bit. In PhotoVCarve I set it up as a 0.03 ball nose bit with max depth at 0.15" and line spacing at 16%. I set Z-zero at -0.05, with the max depth at 0.15" I got more of a 3D effect than I would have at 0.1". I used a 23watt fluorescent light bulb and an outdoor light fixture.
    Attached Thumbnails Attached Thumbnails Web_Backlight.jpg   Web_Backlight2.jpg   Web_BackSide.jpg   Web_Top2.jpg  

    Web_Top.jpg   Web_Unlight.jpg  

  2. #2
    Join Date
    Mar 2005
    Posts
    35

    Very nice!

    Thats a cool effect. What did you use for color and how did you apply it? Good stuff!

  3. #3
    Join Date
    Oct 2005
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    672
    That's pretty neat. What adhesive/glue are you using on the Corian?

  4. #4
    Join Date
    Sep 2005
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    116
    A six minute epoxy. After a little research I discovered that Corian glue is simply a color matched epoxy glue.

  5. #5
    Join Date
    Apr 2005
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    3634
    Great job!

    I would like to know how you added the colors.

    Did you paint the inside of the box (behind the photo carve)?



    .
    Free DXF - vectorink.com

  6. #6
    Join Date
    Apr 2005
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    3634
    Another idea, that I think would look good with that carving, would be to use LED lights & make the box very thin, then it could be put on a picture frame stand.

    Kinda like this here (only light from behind, like you did).




    .
    Free DXF - vectorink.com

  7. #7
    Join Date
    Sep 2005
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    116
    I used HP color transparency film.
    1st I converted the full color image into a CMYK image and then deleted the "K" channel which is the black or shades of gray that the lithophane already represents.
    Then glue the transparency to the back of the lithophane being sure to line it up just right. I used 3M's 77 spray adhesive.
    I then gave it a light coat of mat white lacquer paint over the transparency so that the color "magically" disappears when the light is turned off...:rainfro:

  8. #8
    Join Date
    Apr 2009
    Posts
    2
    Quote Originally Posted by bsimages View Post
    I used HP color transparency film.
    1st I converted the full color image into a CMYK image and then deleted the "K" channel which is the black or shades of gray that the lithophane already represents.
    Then glue the transparency to the back of the lithophane being sure to line it up just right. I used 3M's 77 spray adhesive.
    I then gave it a light coat of mat white lacquer paint over the transparency so that the color "magically" disappears when the light is turned off...:rainfro:
    Hi,
    Just joined the site, awesome information on here. I was just curious how do you convert the photo to the CMYK? Is it done in photoshop? or are there other programs available to do this?
    thanks and awesome litho,
    matt

  9. #9
    Join Date
    Sep 2005
    Posts
    116
    I did it in Photoshop, though I am sure there are many other photo editing programs that would do it just fine. Including some shareware programs.
    Is your machine homemade? Mine is.
    Have you got your copy of PhotoVcarve yet? It is well worth the cost in my opinion!
    WARNING!
    Lithophanes ARE addictive, and habit forming!
    I make a lot nightlight lithophanes myself.
    Bill

  10. #10
    Join Date
    Apr 2009
    Posts
    2
    I have a small desktop system on order but I am also building a larger one for myself but only in design stages. I saw a lithophane at school a few years ago and have wanted to make them ever since. Im starting a small business making them this summer.
    Im curious about the V-bits you use? from black and decker right? do you know where i can buy them? or others as I have a feeling the ballnose bits will become expensive very quickly.
    Thanks,
    Matt
    v-carve order next week, cant wait

  11. #11
    Join Date
    Sep 2005
    Posts
    116
    Vermont American also makes a double 1/4 V-bit 45/60 degree #22109.
    Any V-bit will work fine. After you get the software I would be happy help you with the software settings.
    Bill

  12. #12
    Join Date
    Apr 2004
    Posts
    175
    Nice work Bill, as always, your work is impecable...

    Chuck
    Aspire, VCPro, PhotoVCarve, Cut3D, Mach3, Home built CnC.

  13. #13
    Join Date
    Mar 2009
    Posts
    3
    Quote Originally Posted by bsimages View Post
    I used HP color transparency film.
    1st I converted the full color image into a CMYK image and then deleted the "K" channel which is the black or shades of gray that the lithophane already represents.
    Then glue the transparency to the back of the lithophane being sure to line it up just right. I used 3M's 77 spray adhesive.
    I then gave it a light coat of mat white lacquer paint over the transparency so that the color "magically" disappears when the light is turned off...:rainfro:
    OK, I have a trial version of Photoshop 7 on my machine.
    How the heck do you convert an image to CYMK and remove K?

  14. #14
    Join Date
    Mar 2003
    Posts
    35538
    Image>Mode>CMYK

    Then, in the layer thing in the bottom right, click on the channel tab, then you can right click on the one you want to delete.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

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    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  15. #15
    Join Date
    Mar 2009
    Posts
    3
    I don't see CMYK under Image/Mode.
    All I see is Bitmap, Grayscale, Indexed Color and RGB color.

  16. #16
    Join Date
    Sep 2005
    Posts
    116
    Quote Originally Posted by BruceHanson View Post
    I don't see CMYK under Image/Mode.
    All I see is Bitmap, Grayscale, Indexed Color and RGB color.
    What is the image? Try converting it to RGB then try again and see if CMYK appears as an option.
    Bill

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