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## radial symmetry questions

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• Hi Everyone, I have a question about radial symmetry. When doing a project, a circle is divided into a certain number of evenly spaced sections, radiating out
Message 1 of 6 , Feb 3, 2009
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Hi Everyone,

I have a question about radial symmetry.

When doing a project, a circle is divided into a certain number of evenly spaced sections, radiating out from the center.

Then you can do a drawing in one section and repeat going around, especially if the design INSIDE the section is also symmetrical.

But here’s my question, If you create an assymetrical section, you have a choice of repeating all the way  around or flipping back and forth going around.

So what are those types of radial symmetry called?

Jan in Tampa

Gr 1-5

• It took some creative googling to find the answer. At first I couldn t find what I was seeking. The answer can be found here
Message 2 of 6 , Feb 3, 2009
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It took some creative googling to find the answer.    At first I couldn’t find what I was seeking.

The answer can be found here    http://pluto.huji.ac.il/~msdanet/cyberpl@y/chapter6b.html

The asymmetrical section that is simply repeated around is called “translation” or “glide” symmetry.

The asymmetrical section that is flipped is called “bilateral” or “reflection” or “mirror” symmetry.

More types of symmetry are mentioned, but these are the ones I was wondering about.

Thanks for thinking with me.

Jan in Tampa

++++++++++++++++++++

But here’s my question, If you create an assymetrical section, you have a choice of repeating all the way  around or flipping back and forth going around.

So what are those types of radial symmetry called?

Jan in Tampa

Gr 1-5

• reflection Kathy Trott NBCT 04 Visual Art Teacher Septima P. Clark Corporate Academy 1929 Grimball Road Charleston, SC 29412 Telephone: (843) 762-6217 Fax:
Message 3 of 6 , Feb 3, 2009
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reflection

Kathy Trott
NBCT '04
Visual Art Teacher
Septima P. Clark Corporate Academy
1929 Grimball Road
Charleston, SC 29412
Telephone: (843) 762-6217
Fax: (843) 762-6218
www.ccsdschools.com

Excellence is our Standard

>>> "Hillmer, Jan" <hillmjan@...> 2/3/2009 11:44 AM >>>
Hi Everyone,

I have a question about radial symmetry.

When doing a project, a circle is divided into a certain number of
evenly spaced sections, radiating out from the center.

Then you can do a drawing in one section and repeat going around,
especially if the design INSIDE the section is also symmetrical.

But here's my question, If you create an assymetrical section, you have
a choice of repeating all the way around or flipping back and forth
going around.

So what are those types of radial symmetry called?

Jan in Tampa

Gr 1-5
• If the circle is evenly divided and you flip the design from side A to side B as you go around the circle you ll end up with a kaleidoscopic design or
Message 4 of 6 , Feb 3, 2009
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If the circle is evenly divided and you flip the design from side "A" to side "B" as you go around the circle you'll end up with a kaleidoscopic design or pattern.  I find that six repetitions gives very interesting groupings because the pattern gets triangulated in the process.

Peace,
David Exner

We make a living by what we get, but we make a life by what we give. Winston Churchill

David G. Exner
Art Teacher & Art Club Co-Adviser
Community High School,District 94
WestChicago
(630)876-6407

-----Original Message-----
From: "KATHY TROTT" <KATHY_TROTT@...>
Sent 2/3/2009 1:35:49 PM
To: art_education@yahoogroups.com
Subject: Re: [art_education] radial symmetry questions

reflection

Kathy Trott
NBCT '04
Visual Art Teacher
Septima P. Clark Corporate Academy
1929 Grimball Road
Charleston, SC 29412
Telephone: (843) 762-6217
Fax: (843) 762-6218
www.ccsdschools. com

Excellence is our Standard

>>> "Hillmer, Jan" <hillmjan@berkeleypr ep.org> 2/3/2009 11:44 AM >>>
Hi Everyone,

I have a question about radial symmetry.

When doing a project, a circle is divided into a certain number of
evenly spaced sections, radiating out from the center.

Then you can do a drawing in one section and repeat going around,
especially if the design INSIDE the section is also symmetrical.

But here's my question, If you create an assymetrical section, you have
a choice of repeating all the way around or flipping back and forth
going around.

So what are those types of radial symmetry called?

Jan in Tampa

Gr 1-5

• Thanks. I, too, prefer the flipped kaleidoscopic designs. They are much more interesting. Thanks to all who responded. Jan in Tampa
Message 5 of 6 , Feb 4, 2009
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Thanks.  I, too, prefer the flipped kaleidoscopic designs.  They are much more interesting.

Thanks to all who responded.

Jan in Tampa

From: art_education@yahoogroups.com [mailto:art_education@yahoogroups.com] On Behalf Of David Exner
Sent: Tuesday, February 03, 2009 3:27 PM
To: art_education@yahoogroups.com
Subject: Re: [art_education] radial symmetry questions

If the circle is evenly divided and you flip the design from side "A" to side "B" as you go around the circle you'll end up with a kaleidoscopic design or pattern.  I find that six repetitions gives very interesting groupings because the pattern gets triangulated in the process.

Peace,
David Exner

We make a living by what we get, but we make a life by what we give. Winston Churchill

David G. Exner

• That is called reflection. It is like the reflected symmetry that is see when you look in a kaleidoscope. If you would like to take a look at some of my
Message 6 of 6 , Feb 4, 2009
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That is called reflection. It is like the reflected symmetry that is see when you look in a kaleidoscope.
If you would like to take a look at some of my student work using radial symmetry in the creation of mandala designs I have included my web page at my school.

Diane Rowen Garmire
Visual Art Teacher/ Teacher of Gifted and Talented

(to visit Diane's web page: Spokaneschools.org
go to Visit our Schools, go to Elementary schools
go to Libby Center, go to Staff Information
then scroll to Diane Garmire and click on web page)

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