Framer (noun)

1. A person who makes or repairs frames, as for pictures or buildings.
2. A person who designs or creates the structure of something, such as a legal document or a constitution.

Origin:

Middle english: from frame (verb) + -er.

Examples:

1. The framer carefully measured the painting before making the frame.
2. The framer is a skilled carpenter.
3. He was the framer of the new constitution.
4. The framer designed the structure of the building.
5. The framer was responsible for creating the legal framework for the company.