Advice on painting color inside color

David G

Well-known Member
I need to paint a yellow area inside of a large area of green and want crisp lines. The green was painted yesterday, is enamel with about 1/2 dose of hardener in it. What preparation needs to be done, and how do I get the lines? I saw a device on the Internet that rolls the edge of masking tape.
 
You mask off all the green and when you put the yellow on do it in light coats. If you put a juicy wet coat of paint on some of it will run under the tape no matter how good you mash it down. The lettering on this tractor which looks like a decal is black enamel. I made a stencil out of computer paper and applied it with spray adhesive.
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All of the yellow strips on this parade wagon were put on using 3M Scotch blue edge-lock painters tape. You can get it at your local hardware store. The painted yellow lines are 1/4" wide. I run parallel lines of tape, 1/4" apart and then use an X-Acto knife to cut the curves. The edges to be painted need to be burnished with some hard plastic tool to assure good adhesion.
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get what they call 3M Fine Line. Comes in 1/8 , 1/4 etc widths and is vinyl and turns nice corners and stays laid down perfectly for no bleed under. Any good auto store that carries 3m. Make sure that enamel green has completely cured or you will end up with a tape track in it when you remove it . I would try a little in a nice smooth inconspicuous place and leave it on for a few hours and remove and see if it left tracks. You don't want to "roll your tape edge". That makes for no sharp edge but will not make a very distinct "sharp" edge. I assume you are doing the yellow on a 30 series JD 2 cyl ? The only way to not have a little edge is to do it all in base coat/clear coat and apply the colors like normal and then 2 heavy coats of clear over everything at once. The factory used a big decal when new, so even they had a heavy "edge" so to speak.
 
Just check all your tape edge after gently pushing down to seal any bleed under. The best tapes are FBS tape but I think they are out of Alberta ,Canada. You want a plastic tape not a paper based tape.
 

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