Technical Drawing of Stringers

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	With the Contour Group selected Separate and ungroup it. Move the line off to the side and fill the stringer with white. Duplicate and move the line to the bottom node of the rib at Station 411.50. Use the Node Edit Tool (F10) to move and smooth the segment at Station 749.00. Apply another Contour to that line that is: 0.03 inch offset, outside, and 1 step. Since this is below the ribs use the Arrange Menu to send it to the back. Separate and ungroup and fill the stringer with white.
	Note, the stringers being constructed are shown in red. Duplicate and move the line to the left side node of the rib at Station 411.50. Use the Node Edit Tool (F10) to move and smooth the segment at Station 749.00. Contour that line: 0.03 inch offset, outside, and 1 step. Duplicate and move the line to the right side node of the rib at Station 411.50. Use the Node Edit Tool (F10) to move and smooth the segment at Station 749.00. Contour that line: 0.03 inch offset, outside, and 1 step. Since this is behind the ribs use the Arrange Menu to send it to the back. Separate and ungroup and fill the stringers with white.
	Note, the stringers being constructed are shown in red. Duplicate and move the line to the top major axis node of the rib at Station 411.50. Use the Node Edit Tool (F10) to move and smooth the segment at Station 749.00. Contour that line: 0.03 inch offset, outside, and 1 step. Duplicate and move the line to the bottom major axis node of the rib at Station 411.50. Use the Node Edit Tool (F10) to move and smooth the segment at Station 749.00. Contour that line: 0.03 inch offset, outside, and 1 step. Since this is behind the ribs use the Arrange Menu to send it to the back. Separate, ungroup and fill the stringers with white.

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