Creating a curved wall is easy - draw a spline in the shape you want and magic wand a wall to it (using 'best fit' in magic wand options.
This will however create a series of curved walls - not one continuous wall.
Distributing the timber slats along a curve is easy too - use the 'distribute special' tool.
Problem is you can distribute along one curve (section of wall) at a time only and it wont distribute along multiple curves or the spline.
Maybe an add-on like Objective might be the solution - can't say for sure as I have never used it.
But I know it is good for manipulating elements.
http://www.cadimage.com/Products/Tools/Objective
Barry.
One of the forum moderators.
Versions 6.5 to 27
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