Photo to etch: Difference between revisions
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=== Open image in Photohop === | === Open image in Photohop === | ||
=== Make the image Black & White === | === Make the image Black & White === | ||
Choose an adjustment layer <Black & White> in the bottom of the layers panel. <br> | |||
Here you can adjust the black & white contrast to your liking. | |||
[[File:Ps bw .png|200px]] | [[File:Ps bw .png|200px]] | ||
=== Make negative === | === Make negative === | ||
< | Choose an adjustment layer <curves> in the bottom of the layers panel. Bring the right top of the curve down and right side of the curve 4/5 up. | ||
[[File:Ps curves.png|200px | [[File:Ps curves.png|200px]] | ||
=== Convert to greyscale === | === Convert to greyscale === | ||
Mode >> Greyscale | Choose in menu: Image>>Mode>>Greyscale <br> | ||
Flatten image <OK> | Flatten image <OK> <br> | ||
Discard color information? <Discard> | Discard color information? <Discard> <br> | ||
=== Image size === | === Image size === | ||
Make the size of your copper plate) <br> | |||
Resolution 150 PPI <br> | Resolution 150 PPI <br> | ||
resample: <automatic> | resample: <automatic> | ||
 |  | ||
[[File:Ps imagesize.png|400px|left]] | |||
=== Convert to bitmap === | === Convert to bitmap === | ||
Latest revision as of 06:49, 22 April 2024
Preparation in photoshop
[edit]Open image in Photohop
[edit]Make the image Black & White
[edit]Choose an adjustment layer <Black & White> in the bottom of the layers panel.
Here you can adjust the black & white contrast to your liking.
Make negative
[edit]Choose an adjustment layer <curves> in the bottom of the layers panel. Bring the right top of the curve down and right side of the curve 4/5 up.
Convert to greyscale
[edit]Choose in menu: Image>>Mode>>Greyscale
Flatten image <OK>
Discard color information? <Discard>
Image size
[edit]Make the size of your copper plate)
Resolution 150 PPI
resample: <automatic>

Convert to bitmap
[edit]output <300 PPI> Method <Diffusion Dither> Inverse image (negative) Flip canvas Horizontal 
Save as tiff
[edit]
Raster link
[edit]Open
[edit]Place
[edit]Make special layer
[edit]primer 100% valit pixel
Rip and Print
[edit]primer <start>
On the mimaki
[edit]clean copper plate
[edit]with alcohol place on the right corner of the table
place the machine in remote mode
[edit]After printing
[edit]Cover the back of the plate
[edit]with tape
Put the copper plate in the etching liquid
[edit]for ±30 minutes
