See latest version, v3.0: https://www.printables.com/model/959686-7-segment-mechanical-counter-version-30-ratchet-fo
Version 2.2 of the 7-Segment mechanical counter. Improved design. This particular model is a sequential counter (numbers 0 - 9) that receives a linear input to cycle the display.
See video here:
Quantities of each 3D printed component for a complete assembly:
(1) - BODY_v2.1 (for printed screws, updated 5/5/24)
(1) - SEG_PLATE
(1) - MID_PLATEv2.2 (for countersunk screws, updated 7/10/24)
(1) - BACK_PLATE_v2.2 (for countersunk screws, updated 7/10/24)
(4) - SCREW_v2.2 (for countersunk screws, updated 7/10/24)
(2) - SEG A
(2) - SEG B
(2) - SEG C
(1) - SEG D
(2) - FOLLOWER A - (updated 5/23/24, reduced chamfer)
(2) - FOLLOWER B - (updated 5/23/24, reduced chamfer)
(2) - FOLLOWER C - (updated 5/23/24, reduced chamfer)
(1) - CAM A1 - (updated 5/23/24, reduced chamfer)
(1) - CAM A2 - (updated 5/23/24, reduced chamfer)
(1) - CAM B1 - (updated 5/23/24, reduced chamfer)
(1) - CAM B2 - (updated 5/23/24, reduced chamfer)
(1) - CAM C1 - (updated 5/23/24, reduced chamfer)
(1) - CAM C2 - (updated 5/23/24, reduced chamfer)
(1) - CAM D1
(1) - CAM D2
(2) - STACK_GEAR
(2) - SYNC_GEAR
(2) - SPRING
(2) - SPRING_DRUM
(1) - PUSH_ACTION_v2.1 - (updated 5/23/24, increased length and diameter of shafts that engage SPRING_DRUM)
(1) - PUSHBUTTON
Non-3D Printed components:
(1) - Type #19 rubber band (2mm x 90mm)
(1) - Type #31 rubber band (3mm x 60mm)
Material: PLA
Layer Height: 0.2mm
Supports: No
Based on a 0.4mm nozzle
ALTERNATE OPTIONS:
2-digit body: https://www.printables.com/model/869296-7-segment-2-digit-mechanical-counter-body-version
3-digit body: https://www.printables.com/model/889859-7-segment-3-digit-mechanical-counter-body-version
The author marked this model as their own original creation.