1. Click on the measure tool
2. Select the scale of the sheet
to calibrate the sheet with a known measurement
3. Click on the segment icon
4. Click to select a starting point and click again to create and end-point
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1. Click on the measure tool
2. Select the scale of the sheet
to calibrate the sheet with a known measurement
3. Click on the segment icon
4. Click to select a starting point and click again to create and end-point