Different Shapes And Sizes Riddle

Riddle: I come in different shapes and sizes. Parts of me are curved, others are straight. You can put me anywhere you like, but there is only one right place for me. What am I?

Answer: Jigsaw puzzle pieces.

Source: https://www.riddles.com/714

I come in different shapes and sizes. Parts of me are curved, others are straight. You can put me anywhere you like, but there is only one right place for me. What am I? — Different Shapes and Sizes Riddle by Anonymous v1.

Riddle: I come in different shapes and sizes. Parts of me are curved, others are straight. You can put me anywhere you like, but there is only one right place for me. What am I? Answer: Jigsaw puzzle pieces. — by Anonymous v2.