2D Takeoff tools allow you to mark up line geometry on a floor plan or other worksheet. The markup will then appear as an object in the Quantification workbook, displaying properties such as area, perimeter or length. You can trace linear markups to measure a wall or the perimeter of a room, or use area tools to record the extent of a surface, such as a floorspace. You can also place markup pins on 2D sheets to perform a Count takeoff. Manage the appearance of takeoffs by changing the color, opacity and varying the line thickness of takeoffs in the Item Catalog. Once you have finished drawing takeoffs, you can print the 2D sheets containing your markups using the print option in Navisworks.
Drawing linear takeoffs
Create single line geometry or build up multiple line segments to create a polygon. You can also use a linear tool to create a rectangle straight onto the sheet. The length or perimeter of the markup geometry will appear in the Quantification workbook.
Drawing area takeoffs
Use the Area tools to build up multiple line segments of a polygon, or trace a rectangle straight onto the sheet.
2D takeoffs can also be printed to show the Quantification markup on the sheet. Just open a 2D sheet that contains markup and click File 
Print.