He fiddled with the dimensions of all the parts of his Luxo model--all but the bulb, since lightbulbs come from a store and don't grow, he reasoned--and he emerged with a second character, Luxo Jr. Lasseter initially intended the film as a plotless character study. When he showed some early tests at animation festival in Brussels, respected Belgian animator Raoul Servais exhorted him, ``No matter how short it is, it should have a beginning, a middle, and an end.
Lasseter
Raoul Servais