Hexagonal Ruler is a multi-functional and metallic ruler that is designed sketch handily in seconds. If you were an ambitious designer or sketching guy, this ruler is definitely made for you.
 
Hexagonal Ruler 2.0 come with 3 designs and each is only 72x62mm:
 
 - Curve Ruler - 
Protractor/ Corner rounder 5mm - 50mm in diameter/ Circle 1mm-4.5mm in diameter/ 12 & 24 hour watch design