How do you put Stumps Intermediate Puzzle Model N together?

To assemble the Stumps Intermediate Puzzle Model N, start by organizing all the pieces and identifying the edges and corners. Begin by constructing the outer frame, connecting the edge pieces to form a complete border. Next, work on filling in the interior sections, matching colors and patterns to ensure a smooth fit. Lastly, carefully ensure all pieces are snugly in place, adjusting as necessary to complete the puzzle.