Edge of plane intersecting a sphere don't show


I have created a sphere and bisected it with a plane. The result shows the surfaces, but the edge where they intersect. ( a circle) is no shown as an edge which is what I am trying to do. I am trying to draw circles on the surface of the sphere. Anyone have an idea how I can do this? Sorry, my computer is not connected to the net so I can’t upload a pic. I am using Sketchup 8 on a Mac


Make sure you are in the context of the sphere if you want to seperate its surface.
To draw a circle on a sphere, you can use the plugin Tools on surface by Fredo6, but you should learn to do it with the basic tools first!


Position a cylinder so it penetrates the sphere where you want a circle, then select the cylinder wall and then right-click > Intersect with Model.

The idea is you’re using the cylinder like a cookie cutter, using it to scribe a circle where it penetrates the sphere and Intersect is invoked.

Obviously, you can use this same cookie cutter method to scribe any shape on any 3D object.



Thanks guys! The intersect with model was the trick. I did that with the plane and sphere and got the circle I was after! I’m going to look at the tools on surface plugin too


Ok, I thought you meant intersection with bisection…