SP2: Large Pendulum Wall Clock

SP2B: Major Refresh to Simplify Construction

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This is my largest and possibly most impressive clock. The design is based on the first clock with larger gears that extend out from the frame to be highly visible. The dial is 8" (20cm) and the overall height is nearly 20" (50cm). It was designed to use the full print area of a Prusa MK3S (210x250mm) or an Ender3 (220x220mm).

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The larger heavier gears in the original SP2 design take a bit more energy, so the runtime was only 4 days. A major refresh was released in Dec 2024 to simplify construction, improve reliability, and increase runtime to nearly 8 days.