diff --git a/design/design.svg b/design/design.svg
new file mode 100644
index 0000000..e23f245
--- /dev/null
+++ b/design/design.svg
@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="297mm"
+   height="210mm"
+   viewBox="0 0 297 210"
+   version="1.1"
+   id="svg1"
+   inkscape:version="1.3.2 (091e20ef0f, 2023-11-25)"
+   sodipodi:docname="design.svg"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#999999"
+     borderopacity="1"
+     inkscape:showpageshadow="0"
+     inkscape:pageopacity="0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     inkscape:zoom="1.4456739"
+     inkscape:cx="457.57206"
+     inkscape:cy="455.4969"
+     inkscape:current-layer="layer1" />
+  <defs
+     id="defs1">
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+       effect="fillet_chamfer"
+       id="path-effect2"
+       is_visible="true"
+       lpeversion="1"
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+       radius="0"
+       unit="px"
+       method="auto"
+       mode="F"
+       chamfer_steps="1"
+       flexible="false"
+       use_knot_distance="true"
+       apply_no_radius="true"
+       apply_with_radius="true"
+       only_selected="false"
+       hide_knots="false" />
+  </defs>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1">
+    <path
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+       id="path3"
+       sodipodi:nodetypes="ssccccccsscsss" />
+    <path
+       style="fill:none;stroke-width:0.793999;stroke-linejoin:round;stroke:#000000;stroke-opacity:1;stroke-dasharray:0.79399902,0.79399902;stroke-dashoffset:0"
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+  </g>
+</svg>