The Db Diminished Arpeggio contains the following notes:

Db – Fb – Abb

Positions Along The Fretboard:

Open Position:

Diminished-Arpeggio-Frets-Key-Db-Pos-Open-Shape-0

Diminished-Arpeggio-Notes-Key-Db-Pos-Open-Shape-0

2nd Position (lowest fret is 2):

Diminished-Arpeggio-Frets-Key-Db-Pos-2-Shape-3

Diminished-Arpeggio-Notes-Key-Db-Pos-2-Shape-3

3rd Position (lowest fret is 3):

Diminished-Arpeggio-Frets-Key-Db-Pos-3-Shape-4

Diminished-Arpeggio-Notes-Key-Db-Pos-3-Shape-4

6th Position (lowest fret is 6):

Diminished-Arpeggio-Frets-Key-Db-Pos-6-Shape-5

Diminished-Arpeggio-Notes-Key-Db-Pos-6-Shape-5

9th Position (lowest fret is 9):

Diminished-Arpeggio-Frets-Key-Db-Pos-9-Shape-1

Diminished-Arpeggio-Notes-Key-Db-Pos-9-Shape-1

11th Position (lowest fret is 11):

Diminished-Arpeggio-Frets-Key-Db-Pos-11-Shape-2

Diminished-Arpeggio-Notes-Key-Db-Pos-11-Shape-2

Further Reading:

The Diminished Arpeggio
Why are arpeggios important?
Arpeggios page

guitar course pic yellow