we got cubes now

resources/objs/tetrahedron.obj

@@ -0,0 +1,18 @@
+# Blender 4.1.1
+# www.blender.org
+mtllib tetrahedron.mtl
+o Tetrahedron
+v 0.589834 1.455189 -0.731109
+v -0.654905 0.362953 1.561846
+v -1.236534 -0.687860 -0.998915
+v 1.301606 -1.130282 0.168178
+vn -0.3405 -0.8402 0.4221
+vn -0.7515 0.6526 -0.0971
+vn 0.7139 0.3971 0.5767
+vn 0.3781 -0.2096 -0.9017
+s 0
+usemtl 
+f 3//1 4//1 2//1
+f 2//2 1//2 3//2
+f 1//3 2//3 4//3
+f 1//4 4//4 3//4