John and I were chatting about phone apps for determining if an object in a store – like a Hot Wheels car or some other small toy – might have the right size and proportions for use on an HO-scale layout. He pointed out a great low-tech solution: the diameter of a nickel is the same as the ‘average’ height of a typical HO-scale figure. And it only costs a nickel !
[Both photos and idea by John Steele; and some inspired channeling of Leonardo da Vinci :-) ]
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