More ideas from OldIgnat
Remaining Daylight on Your Fingers

Determine remaining daylight on your hand. Use this simple trick to measure the remaining daylight without a watch. Count the finger widths between the sun and the horizon. Each finger is equivalent to 15 minutes, with each hand totaling an hour.

Чертежи самодельный станок с ЧПУ, фрезерный, трех-координатный

Чертежи самодельный станок с ЧПУ, фрезерный, трех-координатный

Part separation 4b - YouTube

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