How can i create a spline in SU?

[baz88]

I want to create a slab similar to the one in the image i have attached so i can create a slab in that shape, however, i don't have a spline tool in order to create that shape.

The closest thing i can do, is use circles and trim, however, that doesn't give me the same shape.

What plugin would i need to dl so i can create those odd shapes?

Thanks

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[Box]

BezierSpline should get you going.
http://sketchucation.com/forums/viewtopic.php?t=13563

[baz88]

Oh awesome, thankyou!