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Sandstone color references [message #70999] Fri, 05 July 2013 01:52 UTC Go to next message
avatar entertailion  is currently offline entertailion
Messages: 71
Registered: February 2013
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Printing sandstone with colors can be challenging. In my experience, some colors come out brighter and some colors come out darker than expected. Also there are some colors that don't match at all what you expect.

I needed a color reference to make the printing results more reliable. I found these full color sandstone samples on Shapeways and printed them for about $9: http://www.shapeways.com/model/567372

Fortunately, the original model file is available for download. It includes the following image map:
http://images1.sw-cdn.net/model/picture/674x501_567372_177361_1338413389.jpg

The printed sandstone samples consists of 5 small colored bars:
index.php?t=getfile&id=35928&private=0

I took the original image map and used Gimp to determine the color values used for the print. I then collated the hex values of the colors in a spreadsheet. You can download a CSV version of the spreadsheet: http://leonnicholls.com/images/colors.csv

Now I can look at the printed sandstone samples to see which color I want. I then find the matching color hex value in the spreadsheet and use that for coloring the 3D model in Blender for printing.

I hope you find this useful too.


- Leon
http://www.shapeways.com/shops/entertailion
http://leonnicholls.com
Re: Sandstone color references [message #71057 is a reply to message #70999 ] Fri, 05 July 2013 21:07 UTC Go to previous messageGo to next message
avatar lensman  is currently offline lensman
Messages: 1656
Registered: December 2009
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Shapie Expert
Great job, Leon.


Glenn ------ My Website Third Dimension Jewellery
Re: Sandstone color references [message #71081 is a reply to message #71057 ] Sat, 06 July 2013 09:32 UTC Go to previous message
avatar AmLachDesigns  is currently offline AmLachDesigns
Messages: 1360
Registered: September 2011
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Shapie Expert
Yes well done.

Now let's hope the colours are consistent from print to print and machine to machine....

 
   
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