3d "soccer ball"...definitely NOT a fire pit

[rdj357]

Hate to give up my super secret formula but......

a= the edge length
The circumference RADIUS is found by Rc= a / 4 * The Square Root of (58 + 18 * The Square Root of 5)
(I had to change the Square Root sign to text because the forum just couldn't understand the Ascii character.....

So if you want a diameter of 60" set your Rc equal to 30 so....
30= a / 4 * The Square Root of (58 + 18 * The Square Root of 5)
30= a /4 * 9.912074636
30=((9.912074636 * a) / 4
120=9.912074636 *a
12.106446370386269153593165094888 = a

so your side length should be 12.106 inches.

To simplify the process, multiply the desired RADIUS by 4 and then divide by 9.9121 .
I just KNEW my love of algebra and geometry would pay off eventually!







Or just use this online calculator to find all the other fun specifications like surface area, volume, and mid-sphere radius.

Truncated Icosahedron Calculator

[abmetal]

THANK YOU! This old man's brain isn't what it used to be.....never was what you explained above. Now I'll tell Wifey what she needs to do.

Thanks again.
Allen

[Lmpsr70357]

with all the ruckus I stared up on the copyright or not.(publicity stunt) there sure is a awful lot of .dxf, .cad file sales going around with Hugh Detailed Disclaimers that i'm thinking no one is reading. not considering the geo fire pit in this, just enlightened disclaimers everywhere.

[abmetal]

OH GREAT! Here we go again.

Allen

[Maniac]

I don't see how anyone can have a copyright on a shape or on designs on a shape. Sounds way to far fetched other then his designs. He sure did not invent the shape.

[Maniac]

I don't see how anyone can have a copyright on a shape or on designs on a shape. Sounds way to far fetched other then his designs. He sure did not invent the shape.

[Lmpsr70357]

when your looking to buy cut files off a .com page check the disclaimer....

[Lmpsr70357]

 
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[RONWB]

thanks

[Gamelord]

25 huh....hmmm, I can only count to 21 when I am completely naked.... But I guess I will try. If I mess up I will have to start over.

[plasmanewbie]

25 huh....hmmm, I can only count to 21 when I am completely naked.... But I guess I will try. If I mess up I will have to start over.

The difficulty counting could be from all the blood rushing to your head. Try not bending over so far.

[Zeke]

Thanks for the post

[seajinx]

Not to burst his bubble, but he going to have someone to watch all those who makes his 49 pieces. I'm sure many of them will never reach that magic number. I guess they'll just have to depend on the old honesty policy, LOL. Yeah right. Believe me, when it hit the web, and someone likes it, they'll find a way to make it their own. Heck, I created something using images that were shared on here, then saw it on someones page, and stating he is the original designer. I figured I shared it here or all, but he could have given a lil credit, but, se la vie...

[Gamelord]

I made mine years ago by just grabbing a soccer ball, measuring the pieces and then laying it out in Corel, then sizing the whole thing up to whatever size I needed. Really pretty simple. Corel even has the shapes already in default, just plug in the size.

[techno]

Thanks.

[sunnybunny]

Thank you

[Probird]

Sorry to bring up an old thread, but, Is the file in post 1 for half of the unit?
If so, when making 2 of them, will they fit together when they are cut to make a "soccerball"?

Thanks for any input.

[theaton1]

Hopefully this isn't dumb question but here goes: Is this design for half of a soccer ball and I will need to cut two of these for a complete soccer ball? And second: THANK YOU FOR THIS DESIGN!!!