Hi, the curve(s) an existing profile of a chair leg, the 2 circles are the fixed position of 2 clamps on the cnc rails. I can easily position one side of the profile tangent to one circle and rotate it via that circle’s center point and if the tangent snap would float on the line I would be done. S…

I now see that I worded that incorrectly, its the reference point in the rotation that I was hoping would float until the tangent snap for the curve was activated. Since it doesn t want to do that for me I do need another way. Again thanks in advance…r

Maybe a picture of your situation can give as an example. Thanks,Mark

Is this what you want; one end of the profile curve is tangent to a circle, and the profile curve is tangent to a second circle? TanDC01.3dm (39.3 KB) [image] Steps: Create the two circles with points at the center of each circle Create the profile curve with one end tangent to one circle. Offs…

[image] Hi, thanks for the help, hopefully the pic adds clarity to the question…r.

Hope you figured it out . Looks like you could have rotated the object around center of right circle until it intersected left circle. Or perhaps object and right circle rotated around right circle (center) then intersect to left circle edge. Hmmm

oh yes that was the first thing I tried, but where do i put the cursor for the second reference point? So far nothing has popped up saying for tangency to that obj over there snap here, then rotate.

Ok, could you run an arc from right center to left center and then intersect object so to find intersect on object? Then do same operation as above?

How to place an existing curve tang. to 2 circles with fixed positions

Rhino Rhino for Windows

rjk May 12, 2016, 6:22pm 11

GOT IT…r.

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How to place an existing curve tang. to 2 circles with fixed positions

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