Rita marked the first post. Instead of guessing, she wrapped the new tape around it. The blue segment for 1/3 of the circumference lit up. She drew a line. Perfect.
By sunset, the gazebo stood perfectly. Six sides, six perfect joints. Not a single nail bent.
Unlike physical lead, these digital arcs don't smudge, allowing for complex layered constructions. 2. The Interactive Straightedge
One Tuesday, a huge box arrived at the site. It wasn’t lumber or nails. It was a —a sleek, glowing tablet with a stylus that smelled faintly of chalk.