Reference Line

Step 1: Length

Go to the Analyze tab and use the Length command to measure the length of the reference curve.

Step 2: Curve Length

In this case it is 75.067 millimeters.

Step 3: Line From Mid Point

In the Curve tab, under the Line submenu, select Line From Mid Point.

Step 4: Create the Line

From the Top View and with Grid Snap activated, select a center point below the elements.

Now, type the length of the curve followed by / and 2 to divide the measurement and create the correct line length.

Step 5: Analyze

Analyze this line to ensure it has the same length as the reference curve.

Video Lesson

Next Step: Insert the reference image and adjust the curves to start building the pattern.