How can i model that ball

[2grumpy]

it look msimple but is not - any idea how to draw it? please help.

[JDMather]

Attach your attempt here.

[2grumpy · Accepted solution]

not much - get in dead end with

[conklinjm · Accepted solution]

Here is one method that might get you what you want; created in Inventor 2010.

HTH

[2grumpy]

Thanks very much. i just get to >>http://regularpolygon.org/plugins/spherical-spiral.php<< - it is caleed Spherical Spiral - so simple after all. Thanks again.