Hi Taz,
Thankyou for your response. It's been really helpful! I had a look at the jpeg you posted and it's pretty much what i would like to achieve. I have had a go myself however have a couple of questions. In order to achieve a surface between only 2 circle. I went through quite a process in grasshopper. First I created the circles. Then divided them both into 4 points. Then extracted each point on the circle seperately and then individually chose the points through which to thread a polyline through. I then lofted the polylines I had created Is there an easier/quicker way to choose the points I would like to polyline together, rather than extracting them from the list individually first? Also, once i divide the circles into 4 points, am i able to move the points around on the circle and arrange them how it best suits me? Or am I restricted to the program choosing where the points must be on the circle? I have uploaded a image of the surface in rhino and the grasshopper screen used to make it under the 'File' page on the website. It's called 'circle sirface'. Thanks again for your help Sonya
