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 Post subject: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Fri Sep 11, 2026 5:59 pm  (#1) 
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Study in creating a great Filter Sketch!
Attachment:
GC - Filter Sketch-01.png
GC - Filter Sketch-01.png [ 548.73 KiB | Viewed 22498 times ]

In this study I will show you how to fix some of those problem,
in a simple and easy way. Plus, we’ll add some G’MIC-QT effects to make that filter
sketch of your standout over the others. Even thou this isn’t perfect; it will give you
a very good starting place for creating some great art work.

Attachment:
Filter Sketch G'MIC-QT.zip [2.22 MiB]
Downloaded 630 times

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Last edited by TeaMouse on Sat Sep 12, 2026 6:01 pm, edited 1 time in total.

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Fri Sep 11, 2026 6:34 pm  (#2) 
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Attachment:
GC - Filter Sketch Curves.jpg
GC - Filter Sketch Curves.jpg [ 409.47 KiB | Viewed 22440 times ]

About the example shown here, in my filter sketch I used a Curve Adjustment
layer to move and adjust the darkest or black areas in my filter sketch. What it does is give you
a little more details by changing how much black is being shown. The Curves setting shown
here is another option you can use in the tutorial for step 10 (a).

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Fri Sep 11, 2026 6:44 pm  (#3) 
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Attachment:
GC- TeaMouse Fliter Sketch Example.jpg
GC- TeaMouse Fliter Sketch Example.jpg [ 1.65 MiB | Viewed 22407 times ]

This is an example of what you can create with this Filter Sketch Tutorial.
Again this is just an example and not the golden rule. But a good place to start with.

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Fri Sep 11, 2026 8:24 pm  (#4) 
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Attachment:
Gc-Filter and Cross Hatch - 01.jpg
Gc-Filter and Cross Hatch - 01.jpg [ 1.04 MiB | Viewed 22298 times ]

This image has the Filter Sketch as a base and then a cross-hatch sketch
above it. Blended together only using blending modes, and opacity adjustments.
Because of the black jacket reflection, and the face and hands are very light and faint
in details. Otherwise, it wouldn't work with only sketch ideal. Hope this helps.

This frame is for a 6" x 9" @ 128Ppi - PNG


Attachment:
Leather Brown - 01.zip [3.33 MiB]
Downloaded 681 times

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Sat Sep 12, 2026 9:06 am  (#5) 
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:jumpclap :jumpclap :jumpclap
I really enjoyed following your tutorial, TeaMouse. It’s another gem.
Now I don't know which of the two methods I like better.
I have had to reduce the size to be able to post the outcome.
Thank you so much for it, and for the time and patience you put into preparing this step-by-step tutorial.
Many thanks, TeaMouse. :tyspin :clap


Attachments:
Beach sketch-My Outcome_From-Tut_Issa.JPG
Beach sketch-My Outcome_From-Tut_Issa.JPG [ 5.17 MiB | Viewed 21202 times ]

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Sat Sep 12, 2026 9:51 am  (#6) 
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Try using a filter sketch first, then apply the cross hatch on top of that.

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Sat Sep 12, 2026 9:06 pm  (#7) 
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The Original Image.

Attachment:
GC - Bird-Filter-Sketch Public Domain Image.png
GC - Bird-Filter-Sketch Public Domain Image.png [ 1.86 MiB | Viewed 19962 times ]

Filter Sketch Only.

Attachment:
GC - Bird-Filter-Sketch-BW.png
GC - Bird-Filter-Sketch-BW.png [ 2.14 MiB | Viewed 19962 times ]

Frame for a 6" x 9" @ 128 PPI - PNG


Attachments:
Leather Black - 01.zip [2.53 MiB]
Downloaded 587 times

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Sat Sep 12, 2026 9:08 pm  (#8) 
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Filter Sketch with the original image colors applied.

Attachment:
GC-Bird-Filter-Sketch-Color.png
GC-Bird-Filter-Sketch-Color.png [ 2.64 MiB | Viewed 19960 times ]

Frame for a 6" x9" @ 128 PPI - PNG


Attachments:
Leather Red - 01.zip [3.23 MiB]
Downloaded 590 times

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Sun Sep 13, 2026 2:54 am  (#9) 
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Beautiful outcomes, TeaMouse. I am using 2.10.36 version. Where I have my favourites filters. :)


Attachments:
Cat_Sketch_Outcome_+_frame_Issa.jpg
Cat_Sketch_Outcome_+_frame_Issa.jpg [ 480.92 KiB | Viewed 19426 times ]
Lion_Nature_Filter Sketch_Outcome_Issa.jpg
Lion_Nature_Filter Sketch_Outcome_Issa.jpg [ 2.11 MiB | Viewed 19426 times ]
Pier_Filter Sketch_Filter Sketch+Frame_Issa.jpg
Pier_Filter Sketch_Filter Sketch+Frame_Issa.jpg [ 1.33 MiB | Viewed 19426 times ]

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Gimp 2.10.36 (samj) portable _ OS Windows 10 Home_ 64bits
Don’t be afraid to start over. It’s a new chance to rebuild what you want.
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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Sun Sep 13, 2026 9:55 am  (#10) 
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:)


Attachments:
Autum_Nature_Filter_Sketch_Color_Issa.jpg
Autum_Nature_Filter_Sketch_Color_Issa.jpg [ 1.79 MiB | Viewed 18581 times ]
Autum_Nature_Filter_Sketch_+_Cross-Hatch_Sketch-on_Issa.jpg
Autum_Nature_Filter_Sketch_+_Cross-Hatch_Sketch-on_Issa.jpg [ 2.05 MiB | Viewed 18581 times ]

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Gimp 2.10.36 (samj) portable _ OS Windows 10 Home_ 64bits
Don’t be afraid to start over. It’s a new chance to rebuild what you want.
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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Tue Sep 15, 2026 1:17 am  (#11) 
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one more :)


Attachments:
Apple_Sketch Filter_Issa+Frame.JPG
Apple_Sketch Filter_Issa+Frame.JPG [ 548.06 KiB | Viewed 13808 times ]

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Gimp 2.10.36 (samj) portable _ OS Windows 10 Home_ 64bits
Don’t be afraid to start over. It’s a new chance to rebuild what you want.
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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Wed Sep 16, 2026 10:53 am  (#12) 
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Attachment:
GC - 4 x 7  Leaves Border Blue Jay - 01.png
GC - 4 x 7 Leaves Border Blue Jay - 01.png [ 2.59 MiB | Viewed 9027 times ]

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 Post subject: Re: How to create a great Filter Sketch - G'MIC-QT
PostPosted: Fri Sep 18, 2026 1:04 am  (#13) 
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:)


Attachments:
Pumpkin-SketchFilter-outcome_Issa.JPG
Pumpkin-SketchFilter-outcome_Issa.JPG [ 1.57 MiB | Viewed 2455 times ]
rain-Sketch-Issa.jpg
rain-Sketch-Issa.jpg [ 950.9 KiB | Viewed 2455 times ]

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Gimp 2.10.36 (samj) portable _ OS Windows 10 Home_ 64bits
Don’t be afraid to start over. It’s a new chance to rebuild what you want.
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