like this one

[papart1]

Just the outside

 

[John B.]

That's good Paps. The bottom one is the best.
The top one has a couple of flat spots.
Keep going, you are on the right track.

 

[Leland Davis]

Paps, do you use a microscope?

 

[papart1]

I do on minute stuff but tomorrow I'm going to try the scroll