Difference between revisions of "Photo to etch"

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=== Open image in Photohop ===
=== Open image in Photohop ===
=== Make the image Black & White ===
=== Make the image Black & White ===
in the layers panel <Adjustments - Black & White> <br>
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 ===
<Adjustments - adjust curve> bring the right top of the curver down and right side of the cuve 4/5 up.
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]]


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=== Image size ===
=== Image size ===
(the size of your copper plate) <br>
Make the size of your copper plate) <br>
Resolution 150 PPI <br>
Resolution 150 PPI <br>
resample: <automatic>
resample: <automatic>

Latest revision as of 06:49, 22 April 2024

Preparation in photoshop

Open image in Photohop

Make the image Black & White

Choose an adjustment layer <Black & White> in the bottom of the layers panel.
Here you can adjust the black & white contrast to your liking. Ps bw .png

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. Ps curves.png

Convert to greyscale

Choose in menu: Image>>Mode>>Greyscale
Flatten image <OK>
Discard color information? <Discard>

Image size

Make the size of your copper plate)
Resolution 150 PPI 
resample: <automatic> 

Ps imagesize.png

Convert to bitmap

output <300 PPI> Method <Diffusion Dither> Inverse image (negative) Flip canvas Horizontal 

Save as tiff

Raster link

Open

Place

Make special layer

primer 100% valit pixel  

Rip and Print

primer <start>

On the mimaki

clean copper plate

with alcohol place on the right corner of the table

place the machine in remote mode

After printing

Cover the back of the plate

with tape

Put the copper plate in the etching liquid

for ±30 minutes

Rinse with water

Ready to Print