Self-made image, generated from the following PostScript vector source code:

%! 300 396 translate 1.3172 dup scale /X{72 mul 90 add}def/I{X cos 100 mul}def /J{X sin 100 mul}def 4 I 4 J moveto 0 I 0 J lineto 1 I 1 J lineto 1.75 X cos 111.8 mul 1.75 X sin 111.8 mul rlineto 3 X cos 111.8 mul 3 X sin 111.8 mul rlineto 2 I 2 J lineto closepath gsave .87 .97 .87 setrgbcolor fill grestore .2 .65 .3 setrgbcolor 2 setlinewidth stroke 3 I 3 J moveto 1 I 1 J lineto 0 I 0 J lineto 4 I 4 J lineto 3.25 X cos 111.8 mul 3.25 X sin 111.8 mul rlineto 2 X cos 111.8 mul 2 X sin 111.8 mul rlineto closepath gsave .92 .96 1 setrgbcolor fill grestore .2 .3 .55 setrgbcolor stroke 4 I 4 J moveto 0 I 0 J lineto 2 I 2 J lineto 3 I 3 J lineto closepath gsave .92 .96 1 setrgbcolor fill grestore stroke [5.2] 5.2 setdash 3 I 3 J moveto 1 I 1 J lineto stroke .2 .65 .3 setrgbcolor [5.14] 5.14 setdash 2 I 2 J moveto 1 I 1 J lineto stroke 3 I 3 J moveto 0 I 0 J lineto stroke 2 I 2 J moveto 4.25 X cos 45 mul 4.25 X sin 45 mul rlineto stroke 4 I 4 J moveto 1.75 X cos 45 mul 1.75 X sin 45 mul rlineto stroke showpage %EOF