Stacking Rulers

Wanting to play at focus stacking again I chose a subject that I used when I first got the Tamron 18-270, some three years ago.
 
The blip is the fruits of my labours (a darn sight easier than yesterday), and at extra an alternate method of focus stacking - actually it is the first and last of seven shots taken for the exercise.  If you could zoom in on the main blip you may be able to spot one or two of the joins, but I will look into sorting that at a later date.
 
A little bit of playing for Silly Saturday.  Thanks to Admirer for hosting.

 
For the techies – stacked using PSE11, Photomerge / Exposure, in manual.