A question with selection highlight


i imported a STL model into Blender. The import was successful and i see all the faces are triangles.

When i tried to select the vertices of a face, the edges for the vertices are not fully highlighted. What i found and what i expect are in the attachment.

Is this a potential problem and how to solve it?

i selected the whole model and click “Set Smooth” button. However nothing change. i suspect this has something to do with the problem above. Am i correct?

i am new to Blender and not even know where to start looking if an answer is hiding somewhere. i am sorry if i ask something stupid.



Most likely the individual faces are not connected. Try selecting all then remove doubles. If too many vertices are removed you may have to scale up before remove doubles.

It works!

Thanks jestmart!