-glColorPointer(size = 3, type = GL_FLOAT, stride = 0, pointer = blob(72))
-glVertexPointer(size = 2, type = GL_INT, stride = 0, pointer = blob(48))
+glColorPointer(size = 3, type = GL_FLOAT, stride = 12, pointer = blob(72))
+glVertexPointer(size = 2, type = GL_INT, stride = 8, pointer = blob(48))