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Kent1Cooper
en respuesta a: Anonymous

Since the bends between white and pink Lines are all the same [1.5 degrees], consider that the next pink Lines off the far ends of the white ones in the same sequence would be at the same kind of bend.  Copy each pink Line from its inboard end to the outboard end of the outer white Lines.  Rotate them each 3 degrees in the appropriate direction, so that their bend from the adjacent end white Lines is the same 1.5 degrees in the same direction as the sequence suggests.

 

These new outer pink Lines can now define the center of the virtual circle that will pass through centers of all pink Lines when correctly adjusted.  Draw XLINEs through their midpoints and perpendicular to them.  [You can OFFSET them by some significant amount, e.g. 200 units, and define the Xlines through the midpoints of the original and the Offset copy in each case.  You can then Erase the offset copies.]  Draw a CIRCLE whose center is at the INTersection of those Xlines, and whose radius is defined by the midpoint of either of the new outer pink Lines.

 

TRIM that Circle using the Xlines as Trim boundaries, so that what remains is just the Arc that sort of overlays the linework.  Use DIVIDE to place POINTs at the third-points along that Arc.  [Set PDMODE to something that makes the Points visible.]  You can now Erase the Arc.

 

In a STRETCH command, select with a Crossing window around an entire inner pink Line and its Aligned Dimension and including the ends of the adjacent two white Lines, and Stretch that from a base point at the midpoint of the pink Line to a destination at the nearby Point [with NODE Osnap].  Do the same with the other, which will be a Stretch by the same distance in the opposite-ish direction.

 

DONE!  [The white Lines turn out to be each 234.3399 units long.]  Erase the Xlines and Points and outboard pink Lines.

Kent Cooper, AIA