Ddim is a diminished, spelled D, F and Ab. In Standard tuning (E2 A2 D3 G3 B3 E4) the easiest shape is xx0131, which sits at fret 1, needs a barre across 3 strings at fret 1, lets 1 string ring open and mutes 2 strings. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
D
F
Ab
Interval
1P
3m
5d
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
xx0131sits at fret 1, needs a barre across 3 strings at fret 1, lets 1 string ring open and mutes 2 stringsx5676xsits at fret 5, spans 2 frets and mutes 2 stringsxx010910sits at fret 9, spans 1 fret, lets 1 string ring open and mutes 2 strings1080109xsits at fret 8, spans 2 frets, lets 1 string ring open and mutes 1 stringx50764sits at fret 4, spans 3 frets, lets 1 string ring open and mutes 1 stringxx076xsits at fret 6, spans 1 fret, lets 1 string ring open and mutes 3 strings1011010xxsits at fret 10, spans 1 fret, lets 1 string ring open and mutes 2 strings453xxxsits at fret 3, spans 2 frets and mutes 3 strings108079xsits at fret 7, spans 3 frets, lets 1 string ring open and mutes 1 stringxx0131513sits at fret 13, needs a barre across 3 strings at fret 13, lets 1 string ring open and mutes 2 strings1311013xxsits at fret 11, spans 2 frets, lets 1 string ring open and mutes 2 stringsxx12131513sits at fret 12, spans 3 frets and mutes 2 strings
Keys Ddim belongs to
Ddim is diatonic to 8 of the 96 keys this app knows, playing a different role in each.