Tough Measures

Description:
CHALLENGE: Can you position the two rulers, so that they both perfectly fit in the grid together? The rulers will cross over each other at some points, either on top or below.
Will you have the measures for this puzzle?
Difficulty: EXTREME 4/6. Average solution time: 30 min. - 30 days.
Dimensions: 11.8 x 9.6 x 1.2 cm / 4.6 x 3.8 x 3.8 inches.