ruler

Angles Made Easy

ZigZag is a seemingly regular ruler with a twist! When we’re trying to draw a triangle, we usually use a triangle ruler, however, it usually…

Forever Rule!

There is always going to be a limit to the length of a ruler, unless something clever comes our way. The Consistent-motion Ruler is clever…

The Rolling Rule

Your index finger has many purposes; just add plus one to it! Thanks to the Finger&Ruler concept, you can measure the dimensions of an object…

Free Form Ruler

The Free Form Ruler enables you to measure the length by “drawing” an invisible line, straight or curved. The unit of measurement is displayed and…