Builder David Schwartz of Overland Park, Kan., recently took a Pro SmartLevel to the site with him every day with the idea of trying it out in as many situations as he could come up with. The job was an interior renovation and he found enough uses for the SmartLevel to send us this report. The Shape One of the first things you notice about the SmartLevel is its unusual shape — a wedge that is wider on the bottom than on the top. This is more than just a clever play on the manufacturer's name, Wedge Innovations (2040 Fortune Dr., Suite 102, San Jose, CA 95131; 800/762-7853). For starters, the broad base and bottom-heavy weighting make it almost impossible to