Los Angeles-based studio Ensso has designed an all-in-one fountain pen with scale ruler for architects and engineers. Launched on Kickstarter, the Escala pen has a long, triangular cap that ...

First and foremost, the device can indeed serve as a straight-edge ruler, for measuring, drawing or cutting straight lines. The markings on the beveled edges of its two arms go up to 100 mm on one ...

GIMP allows you to temporarily change the ruler's units, however, to inches, millimeters, picas, points, centimeters, meters, feet or yards if you prefer. Launch the GIMP image editing application.