Folder Glass Etching/ Sandblastingconverting photo to halftone for mask


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 From:  Precision Laser Creations (PIZZAMAN)
 To:  ALL
5604.1 

Hi all.
I'm getting more into sandcarving every day. I want to try my hand at making a halftone mask from a photo and sandblasting it on a piece of glass. I've been playing around with a picture all night in photoshop and photopaint but am not getting satisfactory results. Any advice would be appreciated.
Tony

EDITED: 28 Dec 2006 by PIZZAMAN

 

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 From:  Harvey only (HARVEY-ONLY)
 To:  Precision Laser Creations (PIZZAMAN) 
5604.2 In reply to 5604.1 

The best mask format I have ever used is in Corel. It may be in other programs also. I use it for images for the laser a lot, if the ULS software doesn't do it perfectly.

Resample to 1000 DPI while it is still in color. Change the mode to black/white and use the 'Fixed 8x8' halftoning method. That will give a final resolution of 125 DPI, (although it looks better). It also gives 64 shades of grey. If you use the 'Fixed 4x4' You will get a final resolution of 250 DPI and 16 shades of grey.

Philadelphia, PA (Really Bensalem)

When you finally understand it completely... it changes.

 

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 From:  Precision Laser Creations (PIZZAMAN)
 To:  Harvey only (HARVEY-ONLY) 
5604.3 In reply to 5604.2 
thanks. I'll try it.
 
 
     
 

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