The book is vague to me. I want to put a hole on to a curved surface, they tell me to use hole wizard and 3D sketch tool. I am really not sure how to approach this. Do I pick the curved surface and put a point on the surface and try to locate with 3D dimension? Any help is much appreciated, thanks.
I typically create a plane prior to creating a hole in a non planar surface. Place the plane relative to your part and place the hole on the plane to intersect the part.
If you select a planar surface first, the hole wizard opens a 2D sketch. If you invoke the hole wizard tool *before* selecting a surface, it opens a 3D sketch on a curved *or* planar surface. Pre- or post- selection determines what kind of sketch is used. If it's a 3D sketch, you have the usual 2D constraints available plus the 3D constraints.
Just click on your curved surface and then click on your hole wizard icon (or insert/features/hole/wizard)
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