skuzzy might wanna sticky this for new skinners. I will add to it with more tutorials as well.
You have decided to start skinning your first plane or maybe your a vet: heres some tips and techniques that may help you along the way!
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RESEARCH!!!!!
do not trust artists drawings and do not rely on default skin drawings for your panel and rivet lines. It is best to research this for yourself with pictures from
http://www.webshots.com, http://www.airliners.net or
http://www.google.com etc. (search for your plane ie: P-51, B-24 etc) get as many pics from every angle as you can find and get as many artists drawings from different artists as well. get books and magaziens anything you can find. Research makes the difference between a great skin and a mediocre one.
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ANTIALIASED BLACK PANEL LINES LAYER!!!!!
Once you have the research start drawing panel lines in a new layer named "panel lines black" using obviously black as your color to draw them.
most people use the pencil and a single pixel size brush.
for angled lines I use a straight 1 pixel wide line and rotate it to the angle I need to get an antialiased smoother line than just clicking from 1 point to the next with the pencil can create. better methods may be available but thats my method
curved lines:
I use the polygonal lasso tool and draw one side of the curved line with it fill it with black with the paint bucket and using the dashed box selection (not the arrow) I move the dashed selection box up and over or down and over and delete the excess giving a very good antialiased precisely curved 1 pixel thick line.
the circle marquee tool is also good for making rounded corners using the add and subtract marquees and paint bucket.
all lines are drawn and made at 100% opacity and fill and colored with black.
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ANTIALIASED BLACK RIVETS LAYER!!!!!
making rivets anitaliased is the same procedure as making panel lines.
just delete a 2 pixel wide section every other pixel of a strait or angled or curved line
I like to draw my rivet lines in two separate layers: vertical rivets layer & horizontal rivets layer. I draw all the rivet lines as solid lined for each layer and since they are separate layers I can go back after I am done using the marque tool and delete two pixel sections rapidly using 2 pixel wide marque tool added together multiple times.
also keeping the rivet layers separated this way allows easy modification if placement adjustment is needed.
after you are finished your skin will look somthign like this (pic 350% origional size, each straight rivet dot is one pixel)...
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PANEL LINES WHITE LAYER!!!!!
once you are completely finished laying down panel lines and rivets now is the time to make your white panel line layer. its easy. duplicate your black panel line layer and invert it.
now for each portion of your skin use the marquee tool and select each area of the white layer and offset it down and back 1 pixel. the white line should be below and behind the black line. and on areas (like on top wings) move the white line outboard of the black line to give the correct effect from the cockpit view. this give the illusion that the panel lines are recessed.
if you want to go the extra mile delete the portions of the white layer that intersect with the black layer.
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RIVETS WHITE LAYER(s)!!!!!
since you are finished with your rivets and you are certain everything is accurate and no more changes are needed you can add aduplicate layer of white rivets. use the same methodology as the recessed panel lines if you are making flush rivets. if you are making raised rivets put the white rivet pixel in front of and above the black rivet pixel.
keep in mind to do everything from pilots point of view on surfaces visible from the cockpit.
now with the white layers added your skin should look somthing like this(pic 350% origional size, each straight rivet dot is one pixel)...
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SETTING LAYER OPACITY!!!!!
this part is subjective and will depend on your own individual skin. In this example skin (P38G 14FG/37FS) I will tell you the settings I used in this particular skin. I used no effects on this skin all layers are set to normal. If you make layer groups (as I did for each layer set on this skin) you can only modify opacity and fill stays 100%. so this example shows the basics very well without any excess steps...
BLACK PANEL LINES LAYER: 17% opacity, 100% fill
WHITE PANEL LINES LAYER: 8% opacity, 100% fill
BLACK RIVETS LAYER(s) 7% opacity, 100% fill
WHITE RIVETS LAYER(s) 4% opacity, 100% fill
now with the panel line and rivet layers opacity set your skin should look somthing like this(pic 350% origional size, each straight rivet dot is one pixel)...