+ Representation of an arrow with double line

GRAPHREP rounded:0.2cm
SHADOW off
PEN w:0.2cm color:black
EDGE
PEN w:0.1cm color:white
EDGE

END
PEN w:0.1cm
FILL color:black
POLYGON 4 x1:0.08cm y1:0cm x2:-0.15cm y2:-0.1cm x3:-0.1cm y3:0cm x4:-0.15cm y4:0.1cm