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How to paint circular shape

by wakinews
posted 11-16-2018 01:30 PM


4 replies so far

View John Smith's profile

John Smith

1834 posts in 556 days


#1 posted 11-16-2018 01:53 PM

Waki – good to see you again !

I have used sticky vinyl such as frisket paper or vinyl shelf liner.
fix a trammel point on a stick and an X-Acto knife where you want it
and cut out the circle profile you need then spray paint or paint by brush.
a large compass with the metal points will also work well.
just fix the knife on one leg with rubber bands and you are off to the races.
but of course, you must know the dead center of the project first.

if you have several of the same size profile to make, you could take two
X-Acto blades and fix them in a wooden holder to hold them firm so they
won’t move. . . . . then just make one pass and the circle will be cut exactly
each and every time.

.

-- Failure is proof that you at least tried ~ now, go do it again, and again, until you get it right --

View wakinews's profile

wakinews

23 posts in 572 days


#2 posted 11-17-2018 07:03 PM

Nice to see you too John. Thank you for the helpful advice.You are always helpful. I will give it a shot and show you how it comes out.

View John Smith's profile

John Smith

1834 posts in 556 days


#3 posted 11-17-2018 07:15 PM

keep in mind that paint loves to seep under masking type material.
so you must really get that tight seal along the edges of the material
you use for the masking process. thin, light coats at first, then more layers
will give you the nice clean circles you need.
practice on similar materials first before you use it on your show piece.
best of luck in your projects

-- Failure is proof that you at least tried ~ now, go do it again, and again, until you get it right --

View Kelly's profile

Kelly

2292 posts in 3337 days


#4 posted 11-18-2018 06:31 AM

Burn marks will go a LONG ways to stopping paint creep.

I am uncertain what problem you are having. I made a super slow speed lathe to paint cylinders. For circles, I’d use a lazy Susan.

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