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	• start XSI (nothing changed so far)
	• create a primitive - polygon mesh - sphere (standard settings)
	• create a primitive - polygon mesh - grid with one u/v subdivision • turn it around and move it (be careful that it facing the sphere; see normals)
	• create materials: • sphere: standard phong (here slightly blue) • grid: standard phong with incandescence intensity 0.5 [so it will emit photons!]
	• File - Export - SunFlow • Be sure to click "Export hidden cameras" or unhide the camera • leave lights unchecked so the hidden default light will not be exported!
	• uncheck "use caustics"; we don't need them now and click "run"
	• start SunFlow and 'File' - 'load' the scene
	• render [IPR for a fast preview]
What to do next: To get a smooth sphere change the 'Geometry Approximation' - 'Subdivision' value (press +/- or under "Selection") play with the GI settings

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