Copy family instance to follow a curve

[Joe.ashton]

Looks good, I can’t really work out the problem from the image you posted. might be worth trying to use “CurveTangentAtParameter”, like this example.

Want to place the element along the curve

Hi, I want to place the footings on the points with rotation as perpendicular to curve made my the points imported. Below I have created the dynamo script [image] This is placing the elements as below [image] I want like below [image] Kindly help. Thanks Suresh C