diff --git a/svg/bone_half.svg b/svg/bone_half.svg
deleted file mode 100644
index c5422d9..0000000
--- a/svg/bone_half.svg
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Generator: Moho 12.5 build 22414 -->
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg version="1.1" id="Frame_0" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="720px" height="720px">
-<g id="halves">
-<g id="bone_half">
-<g id="bone">
-<path fill="#ffffff" fill-rule="evenodd" stroke="none" d="M 273.358 34.371 C 306.438 34.371 336.577 46.645 360.074 67.300 C 383.425 46.645 413.563 34.371 446.643 34.371 C 518.555 34.371 576.567 92.382 576.568 164.295 C 576.568 221.106 540.362 269.242 490.086 286.819 C 490.065 330.305 489.998 659.039 489.998 659.076 C 489.969 659.076 230.047 659.060 230.021 659.060 C 230.021 659.023 230.097 313.516 230.107 286.887 C 179.638 269.242 143.432 221.106 143.432 164.295 C 143.433 92.382 201.446 34.371 273.358 34.371 Z"/>
-<path fill="none" stroke="#000000" stroke-width="4" stroke-linecap="round" stroke-linejoin="round" d="M 273.358 294.221 C 258.256 294.221 243.767 291.662 230.107 286.887 C 179.638 269.242 143.432 221.106 143.432 164.295 C 143.433 92.382 201.446 34.371 273.358 34.371 C 306.438 34.371 336.577 46.645 360.074 67.300 C 383.425 46.645 413.563 34.371 446.643 34.371 C 518.555 34.371 576.567 92.382 576.568 164.295 C 576.568 221.106 540.362 269.242 490.086 286.819 C 476.233 291.662 461.744 294.221 446.643 294.221 M 230.021 659.060 C 230.047 659.060 489.969 659.076 489.998 659.076 C 489.998 659.039 490.065 330.305 490.086 286.819 M 230.107 286.887 C 230.097 313.516 230.021 659.023 230.021 659.060 "/>
-</g>
-<g id="specs_2">
-<path fill="#ff0000" fill-rule="evenodd" stroke="none" d="M 360.000 642.923 C 360.001 642.925 367.880 664.987 367.881 664.990 C 367.880 664.989 360.001 657.658 360.000 657.657 C 359.999 657.658 352.120 664.989 352.119 664.990 C 352.120 664.987 359.999 642.925 360.000 642.923 Z"/>
-<path fill="#0000ff" fill-rule="evenodd" stroke="none" d="M 360.000 59.016 C 360.000 59.017 364.577 71.833 364.578 71.834 C 364.577 71.833 360.000 67.575 360.000 67.575 C 360.000 67.575 355.423 71.833 355.422 71.834 C 355.423 71.833 360.000 59.017 360.000 59.016 Z"/>
-<path fill="#00ff00" fill-rule="evenodd" stroke="none" d="M 224.644 347.336 C 224.645 347.336 232.661 344.427 232.662 344.427 C 232.661 344.427 230.007 347.309 230.007 347.309 C 230.007 347.309 232.690 350.164 232.691 350.164 C 232.690 350.164 224.645 347.336 224.644 347.336 Z"/>
-<path fill="#ffff00" fill-rule="evenodd" stroke="none" d="M 225.839 661.732 C 225.839 661.731 230.816 650.895 230.817 650.894 C 230.817 650.894 231.079 656.366 231.079 656.367 C 231.079 656.367 236.556 656.500 236.556 656.500 C 236.555 656.500 225.840 661.732 225.839 661.732 Z"/>
-<path fill="#ffff00" fill-rule="evenodd" stroke="none" d="M 495.001 661.599 C 495.001 661.598 489.808 650.864 489.807 650.863 C 489.807 650.864 489.655 656.340 489.655 656.340 C 489.654 656.340 484.182 656.583 484.181 656.583 C 484.182 656.583 495.000 661.599 495.001 661.599 Z"/>
-<path fill="#00ff00" fill-rule="evenodd" stroke="none" d="M 496.019 347.336 C 496.018 347.336 488.002 344.427 488.002 344.427 C 488.002 344.427 490.656 347.309 490.656 347.309 C 490.656 347.309 487.973 350.164 487.973 350.164 C 487.973 350.164 496.018 347.336 496.019 347.336 Z"/>
-<path fill="#00ffff" fill-rule="evenodd" stroke="none" d="M 512.988 42.573 C 512.988 42.574 508.445 55.402 508.445 55.403 C 508.445 55.403 507.584 49.210 507.584 49.210 C 507.584 49.210 501.346 49.622 501.345 49.622 C 501.346 49.621 512.987 42.574 512.988 42.573 Z"/>
-<path fill="#00ffff" fill-rule="evenodd" stroke="none" d="M 207.082 42.998 C 207.083 43.000 212.471 55.496 212.472 55.497 C 212.472 55.496 212.917 49.260 212.917 49.260 C 212.918 49.260 219.169 49.255 219.170 49.255 C 219.169 49.254 207.084 42.999 207.082 42.998 Z"/>
-<path fill="#be0027" fill-rule="evenodd" stroke="none" d="M 360.000 672.202 C 360.001 672.199 367.880 650.137 367.881 650.135 C 367.880 650.136 360.001 657.467 360.000 657.468 C 359.999 657.467 352.120 650.136 352.119 650.135 C 352.120 650.137 359.999 672.199 360.000 672.202 Z"/>
-<path fill="none" stroke="#ffff00" stroke-width="3" stroke-linecap="round" stroke-linejoin="round" d="M 230.021 659.060 C 230.047 659.060 489.969 659.076 489.998 659.076 "/>
-</g>
-</g>
-</g>
-</svg>