Acrylic Ruler: Suitable for use at home, or in the classroom, shop, or office, this scratch-resistant 12-inch ruler features a transparent body that allows for easy page viewing and precise ...

Looking at this picture showing a 12-inch ruler on the work area, we realized that this may be the largest CNC router we’ve seen on Hack A Day. [Tom]’s employer gave him some obsolete axes ...

Common tools used for measuring range from the familiar 12-inch wooden ruler that we used in grade school to precision ...