stud/Karto

useful commands:

• distance/measuregeom

• zoom ext

• line

• trim / extend

• offset

• "signature": sketch

• donut

• xline: for coordinate axis (infinite lines)

• f8: perpendicular

• f2: console

questions:

• how to measure exact angle from XY axis? E.g. K1.
• are donuts really meant to be that small?
• "ID" command still uses 4 decimal points.
• TODO: validate all corners.
• TODO: measure distances to borders.