feat: arrow object

models/Arrow.obj

+# Blender v3.0.0 OBJ File: ''
+# www.blender.org
+o Cube_Cube.001
+v -1.968145 -0.103905 1.301913
+v -1.968145 0.103905 1.301913
+v -1.968145 -0.103905 -1.301913
+v -1.968145 0.103905 -1.301913
+v 2.447117 0.086475 0.000000
+v -1.000000 0.386153 0.000000
+v -1.000000 0.593964 0.000000
+v 2.447117 -0.121336 0.000000
+vt 0.375000 0.125000
+vt 0.625000 0.125000
+vt 0.625000 0.250000
+vt 0.375000 0.250000
+vt 0.625000 0.625000
+vt 0.375000 0.625000
+vt 0.625000 1.000000
+vt 0.375000 1.000000
+vt 0.125000 0.625000
+vt 0.125000 0.750000
+vt 0.875000 0.625000
+vt 0.875000 0.750000
+vt 0.875000 0.500000
+vt 0.125000 0.500000
+vt 0.375000 0.000000
+vt 0.625000 0.000000
+vn -0.8024 0.0000 0.5967
+vn 0.2828 0.0000 -0.9592
+vn 0.2828 0.0000 0.9592
+vn -0.1313 -0.8917 -0.4333
+vn 0.1313 0.8917 0.4333
+vn 0.1313 0.8917 -0.4333
+vn -0.1313 -0.8917 0.4333
+vn -0.8024 0.0000 -0.5967
+s off
+f 6/1/1 7/2/1 4/3/1 3/4/1
+f 3/4/2 4/3/2 5/5/2 8/6/2
+f 8/6/3 5/5/3 2/7/3 1/8/3
+f 6/9/4 8/6/4 1/10/4
+f 5/5/5 7/11/5 2/12/5
+f 5/5/6 4/13/6 7/11/6
+f 3/14/7 8/6/7 6/9/7
+f 1/15/8 2/16/8 7/2/8 6/1/8