thanks again for the help, this is really helping me to start understanding. Creating one sketch on the XY plane and a second on XZ seems to be the important trigger for my confusion. As a newbee, I was thinking that after the countertop was ready (sketch on XY) then I will have a leg (second sketch...

many thanks for your help! All that helps but I'm still not completely through it. Tilting the view as shown in the attachment, I realize that the highlighted vertexes on Sketch are those that intersect with Sketch001 XZ plane. And yes, I can select a vertex on Sketch001 and one of those already hig...

I have a similar problem, but Selectable is already set true. In my case (see attached design) when I edit Sketch001 and press 'Create an egde...', then, selecting any edge from Sketch would highlight the edge only and not the end vertexes. For some edges parallel to X a vertex will be highlighted b...