Setting a scale for your drawing is a simple process of just a few clicks. This process tells the tool what scale you want to work in.
Note - Based on that entry, all future objects will default to that scale.
Steps for Existing PDF or Image
- Tap on the Calibrate icon in lower left corner of screen
- Accept pop up message
- Drag measure bar to match known distance
- Tap to accept
Starting With a Blank Canvas
Drag across the entire width to define. Note it does not have to be exact, as you are setting an approximate size to match your upcoming projects needs