It’s a little “PCB ruler” that is embellished with markings to indicate trace width, a wire gauge chart and the size of common diodes and resistors, among other things… basically, a quick way to ...

The rulers I bought come in a set of three Lifesaver-colored couples that are themselves 1/16-, 3/16-, and 1/4-inch thick. Select the thickness you want (1/4-inch for cookies, but maybe a bit ...

For simple, symmetrical objects with equally distributed mass (such as a ruler), the center of mass lies in the object's geometric center (which would be just at the six-inch mark for a one-foot ...