After a long period of assessment, I'm ready to release this style.
Also this plugin is using G'mic Engrave, as the previous two I released.
But in this case I'm trying to approach the look of a real Engraving.
The base material can be wood, stone, or any flat coloured material (plastic?).
The options in the filters are:
- colour of the base material: the user can choose among many predefined colours or enter directly the colour (default is a mid gray)
- pattern of the base material: it can be any pattern, but the best choice is to point to a wood pattern or a stone pattern (default is the standard Gimp pattern "Pine", but the user can have installed nice wood and stone patterns and choose among them - I attach some)
- reinforce engraving on top: the user can opt for a more evident engraving (simple, embossed, bump-mapped)
- add a gradient frame to the final outcome: the frame is created applying a gradient generated on the base of the colours of the source image (12). If you choose to do the frame, you must have the GT bevel installed

Here the filter:
--- removed, use last update (5.12) ---

If you do not have GT bevel and want to install it, here it is:


EDIT 2.12
If you encounter performance problems when asking to have the frame, use this version below: the output size has been set to 3000 instead of 4000 and the resizing step -responsible of the delay- is not performed, because 3000 is also the work size during the process. Do not change the default output size otherwise you will encounter again the problem of resizing
version updated:
--- removed, see below ---
EDIT 5.12
Corrected the test for rescaling (sometimes it didn't work properly, so that you got rescaling even if chosen size=3000)
version updated:


EDIT 2: Should you still have problems, check: Gimp/Edit(Preferences and see which is the number of threads: if not 1, set it to 1, Gimp has still problems in managing more than 1 thread

Issabella will post a mini-tutorial on the filter later in the morning.
edit: she did it, see post #12

I will post some wood and stone patterns.
edit:
if you do not want to overload your gimp system with all those patterns, here some suggestions:
- if you have and use ofnuts' addonsCollectionManager:
- - create a folder (for instance L_Patterns), put all those patterns into it, then activate it when you want to test/use the filter, and later deactivate it
- if you do not use ofnuts' aCM:
- - load a pattern at a time during the test phase of the filter then select those you like better and remove the other ones


You may see examples of outcomes in the related thread:
experimenting on drawing effects: style L

Some wood and stone patterns you may like to install/use:



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Additional patterns you may like.



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Last of my sets:

Thank you so much Diego for sharing your new nice filter.
Here my little contribution.

Diego, can you copy Issabella's tutorial link to your first post so people don't have to dig for it on GimpChat?

L is posted on gimpscripts.net

Thanks Mahvin.