Banjo Dm chord (Open D)D minor on the 5-string banjo: 0 3 0 3, and 6 more shapes

Frets, string 4 to string 1: 0 3 0 3 (open position)

1. String 4 (D): open, D
2. String 3 (F♯): 3rd fret, index finger, A
3. String 2 (A): open, A
4. String 1 (D): 3rd fret, middle finger, F
5. String 5, the short f♯: open, F♯, not in the chord

Sounds: D A A F  ·  Dm is D, F, A (1 · ♭3 · 5)

Found in: C major (ii), G mixolydian (v), C mixolydian (ii), G dorian (v), D dorian (i), C dorian (ii)

The 5th string: the short f♯ rubs against the F in this shape, a semitone away: some players let it ring, some skip it.

Open D tuning: f♯DF♯AD, the short 5th string first, then strings 4 to 1.