+fet_beginchar ("accordion pull", "pull");
+ save width, height;
+
+ height# := 2.0 staff_space# + 3.0 stafflinethickness#;
+ width# := 0.4 height#;
+
+ define_pixels(height, width);
+
+ save linewidth;
+
+ linewidth# := stafflinethickness# + .05 staff_space#;
+ define_whole_blacker_pixels (linewidth);
+
+ set_char_box (width# - linewidth#, linewidth#,
+ 0, height#);
+
+ pickup pencircle scaled linewidth;
+
+ save penradius;
+ penradius := linewidth / 2;
+
+ rt x1 = linewidth;
+ bot y1 = 0;
+
+ x2 = x1;
+ top y2 = height;
+
+ lft x3= -width + linewidth;
+ y3 = y2;
+
+ x4 = x3;
+ y4 = y2 - linewidth;
+
+ x5 = x1;
+ y5 = y4;
+
+ fill z1 + penradius * right {up}
+ -- z2 + penradius * right {up}
+ .. z2 + penradius * up {left}
+ -- z3 + penradius * up {left}
+ .. z3 + penradius * left {down}
+ -- z4 + penradius * left {down}
+ .. z4 + penradius * down {right}
+ -- z5 + penradius * (down + left)
+ -- z1 + penradius * left {down}
+ .. z1 + penradius * down {right}
+ .. cycle;
+fet_endchar;
+
+fet_endgroup ("accordion");