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How do you make a wooden ball??? #1: How do I calculate the correct angle.

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Blog entry by TheWoodenBox posted 1687 days ago 4790 reads 2 times favorited 7 comments Add to Favorites Watch
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Got a question, hope you guys can help. I want to make a soccer type ball out of wood. I want it hollow in the middle. I want to piece it together out of 1/2” wood. Each piece of the ball will be flat, but when it is put together it will make a ball. My question is, if I use hexagons and six-side-agons (what ever that shape is) like on a soccer ball, what is the angle I need to cut the pieces at?



7 comments so far

View Derek Lyons's profile

Derek Lyons

584 posts in 2165 days


#1 posted 1687 days ago

A soccer ball is a combination of pentagons (five sides) and hexagons (six sides).

-- Derek, Bremerton WA --

View patron's profile

patron

12955 posts in 1938 days


#2 posted 1687 days ago

i have made 2 of these over the years ,
mark out the circle ,
and do your ( ? gon # of sides ) .
the angle between them is your cut angle ,
then you have to taper them from the middle ,
to a point ,
like an orange peel from a slice

you make strips with the angle ,
then tilt the bandsaw fence to that angle ,
and set miter gage to the angle of taper ,
for each row , ( remember there are 2 of each row ,
top and bottom ,you have to set a stop for the width of each taper ,
and change the miter guide as you go to new row ,
you can flip the strip and cut successive parts .

i hope this helps , p.m. if you have any questions .
if you are looking for a bucky fuller dome ,
maybe daveR can give you the part schetch and angles ,
as they nwill change depending on the # of pieces or sides .

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View TheWoodenBox's profile

TheWoodenBox

167 posts in 2206 days


#3 posted 1687 days ago

Thank you very much.

View Ampeater's profile

Ampeater

388 posts in 2345 days


#4 posted 1685 days ago

Here is an interesting site that might help.

http://sci-toys.com/scitoys/scitoys/mathematics/dome/dome.html

http://www.youtube.com/watch?v=vv01yWHo_1o&NR=1&feature=fvwp

-- "A goal without a plan is a wish."

View McGuigan's profile

McGuigan

5 posts in 1630 days


#5 posted 1395 days ago

I have made 5 wooden soccer balls and I have all the details.Frankie.

-- Frankie, Townsville Australia

View Jim Jakosh's profile

Jim Jakosh

11058 posts in 1703 days


#6 posted 581 days ago

I am going to make a wooden soccer ball next year. Have you made yours yet?
I have doe some research on them and found that you need 20 hexagons and 12 pentagons.
The angle on the edges of the hexagons are cut back at 20.9 degrees.
The angle on the pentagons was 16.4 degrees in one site I found and 18.7 degrees on another site.

Did you get the info. from Frankie above?

............Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View a1Jim's profile

a1Jim

111999 posts in 2174 days


#7 posted 580 days ago

Whoa whoa Jim a wooden soccer ball will really hurt your foot. LOL
Sounds like a really big challenge.

-- http://artisticwoodstudio.com Custom furniture

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