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
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%EOF