All that for a CVA lock?
Not to bad for a first attempt but see what I was getting at about consistency in line and overlap .
You should not be able to see a full complete circle even when completing your last row as part of those circles will be off the item . Unless of course your doing a round object like a gun bolt . In which case I hide the full circles on the back side or bottom
Its also very important not to go back and try and fill in a spot . Doing so will leave that complete circle which always sticks out like a sore thumb .
The CVA is a good test bed for "jeweling"and it may be all that is available.
Bob Roller