+final float TRAILER_WIDTH = 240;
+final float TRAILER_DEPTH = 97;
+final float TRAILER_HEIGHT = 33;
+
+final float BASS_WIDTH = 124;
+final float BASS_HEIGHT = 31.5;
+final float BASS_DEPTH = 66;
+final float BASS_X = (TRAILER_WIDTH - BASS_WIDTH) / 2.;
+final float BASS_Z = (TRAILER_DEPTH - BASS_DEPTH) / 2.;
+