Complex sentence: In 1946, he sketched out a design (called the Whirlo-Way) for the world's first flying disc.no one knew when the frisbee was invented just that in 1948 an investor, Warren Franscioni, paid for molding the design in plastic.
Split into simpler sentences: In 1946, he sketched out a design (called the Whirlo-Way) for the world's first flying disc. In 1948 an investor, Warren Franscioni, paid for molding the design in plastic.