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 ...

Hold a ruler against the eyebrows and close the right eye to align the ruler’s 0 mm marker with the left pupil’s center. While looking straight ahead, open the right eye, close the left one ...

You can change the ruler unit from inches to centimeters, millimeters, points, and Picas. Points are used when you need to simulate pixels, while Picas are typically used to represent fixed ...

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.