About this 3D model
SP14 Pendulum clock with a large moon phase dial, updated for better reliability. This is one of my largest clocks with an accurate moon phase dial located at the front and center. It is as large as possible while still being printable on a Prusa MK3/4, Ender 3, or Bambu Lab P1S/A1. Runtime is 7.8 days with an accuracy of 1-2 minutes per week. The moon phase dial is accurate to within 1 day every 2.6 years. The clock follows the same easy to build design style as my other new clocks. The bill of materials has been reduced and the only machining required is cutting the arbors to length. The pendulum components drop into place without glue. The winding key is easier to build and more stable. Multiple size weight shells are provided to allow filling with either lead shot or BBs. The clock is 9" wide by 22" tall and 6.5" deep (225mm x 560mm x 165mm). The tip of the pendulum is 30" long (760mm). The minimum printer size is 210mm by 210mm. Total print time on a Prusa MK4 is around 90 hours using 1.7kg of PLA filament. A comprehensive 50 page assembly guide is included, or you can download it from https://www.stevesclocks.com/sp14 if you want to see the steps prior to purchasing the STL files. You can ask questions during your build or share pictures on my debug forum at https://www.stevesclocks.com/forum Overview video: https://youtu.be/Y6Hr02GAklg Clock update video: https://youtu.be/Bp5MccfFr6w Assembly and debug videos coming soon. Parts kits for the non-printed parts are available at https://www.etsy.com/listing/1692797145 12-Apr-2025 Update: Changed the gears to an improved "Perfect Print Gear" profile to make the clock more reliable. Added new options for the moon dial and globe colors.