art posters Like animation in film, clay animation didn't take just a single individual to create--in fact, it took several creators along with inventions. However, the very first film which used clay animation, in addition to live action was 'The Sculptor's Welsh Rarebit Dream" (1908) with the Edison Manufacturing Co. (Later being referred to as Thomas A. Edison, Inc.) [Thomas Edison - pictured]. Scope, Time, and Cost make up the three corners of the triangle that project management professionals make reference to as 'project constraints." In an equilateral triangle, seventy one corners are equal, and projects can be found in on time and so on budget, while addressing all in the needs originally expressed by project stakeholders. However, if just one from the corners starts to drop out of line with expectations, your entire project can be distorted.