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Painting circles

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  • Member since
    May 2020
Painting circles
Posted by 2qtslow on Thursday, May 21, 2020 11:52 AM

I want to paint a 3/4" red circle on the body of a white car.  Is there a foolproof method to keep it perfectly and with no bleeding?  It occurs to me I could paint the body red and then protect a circle sized area before painting the rest white, but I would still have the problem of creating a perfectly round and bleed-free mask.

  • Member since
    December 2003
  • From: Nova Scotia
Posted by Bainford on Friday, May 22, 2020 11:18 AM

I have seen compass type devices that hold a knife blade instead of a lead pencil. I haven't used one so don't know how well they work. I think I would try a circle template like this to try to get a good circle from masking tape. 

2mm-40mm Diameter Range Circles Plastic Stencil Template Ruler ...

It may be tricky to get a good clean circle. I expect it will take a few tries. You will need a quality tape that is a bit wider than the circle. Another method might be to trace around a round object of suitable size, like a pill bottle. Again, will probably take a few tries to get a good result.

I would definately paint the white first, then the red.

See the other recent post in this section titled "two tone paint job" for more info on preventing paint bleed. Hope this helps.

"It would be unusual, if the unusual didn't occur."

- Steamboat Gariepy


  • Member since
    May 2020
Posted by 2qtslow on Sunday, May 24, 2020 12:29 PM

Thanks.  I've eBay'd something very similar to the device above.

"Sealing the tape", whether it be with a clear or with the same color is one of those ideas that seems so self-evident once you learn it.  But I doubt I would have come up with it on my own in a million years had I not read it here first.

Any suggestions for a good tape that is also wide enough.  I have four different rolls of Tamiya, but none are remotely close to being wide enough for this.  And I really thought Frogtape would continue to come off cleanly like it did in the past, but my "Removing tape tack" post tells me I need to keep looking.

I suppose I could cover most of the area around the planned circle with Tamiya and then put a carefully circle-scribed Frogtape over the whole thing.





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