A simple 3D renderer written using Python and Pygame.

Pass the .obj file as an argument to renderer.py, e.g.
python renderer.py models/teapot.obj

F toggles wireframe or solid mesh
R toggles rotation
B resets the camera to the original position

Use the mouse wheel to zoom in and out.
Left-click and drag vertically or horizontally to control pitch and yaw.
Right-click and drag horizontally to control roll.

The framerate is displayed in the top left corner.