The PD40 has three bridges arranged in the piano dulcimer format. Fully chromatic for its 3½ octave range with bridge cap markers that mimic the pattern of white and black notes on the piano.
Range is G2 to D6.

Superscript numbers indicate octaves (C4 is Middle C).
White and black boxes indicate white and black bridge markers.
All strings have loop ends.
Unspecified strings are plain steel wire.
PB = phosphor bronze wire.
PBW = phosphor bronze wound.
Wire gauges are shown in inches.
* Single string courses.
Downloadable string/tuning chart
Downloadable string order form
Dimensions
-
Bottom rail: 42½ inches
-
Top rail: 21 inches
-
Height: 17 inches
-
Thickness: 3½ inches
-
Weight: 14 pounds