McMinty schrieb:
> Hi,
>
> I have a strange problem, where I were not able to find a solution on the net so
> far.
>
> When I use a "sin(...)" in a sor- or lathe-object, the argument of the function
> cannot exceed Pi.
>   

This is not a problem with the sin function per se, but with its 
function result becoming negative, which sor and lathe will refuse to 
accept in the X coordinate. For instance, the following should work 
perfectly:

sor{5,
    <1,2>,
    <1+sin(3),3>,
    <1+sin(1.001*Pi),5>,
    <4,6>,
    <1,7>
    pigment{color Blue}
}

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