【3D Printing】Overseas Maker Releases 3D Printed Mechanical Counter Model
A YouTuber from the channel "It's on my MIND" has developed a mechanical counter made entirely of 3D printed parts. This device can display numbers from 0 to 999 and does not require any additional metal components.
This three-digit counter is made entirely of PLA plastic. It uses no metal springs, screws, or rubber bands.
The design of this counter is an interesting test for your 3D printer, as all mechanical functions must be achieved using precisely printed plastic parts.
At the core of this counter is a lever mechanism. Each pull of the lever rotates a single wheel by 36 degrees, equivalent to one-tenth of a full circle. An integrated ratchet system ensures precise movement. After each operation, a built-in plastic spring in the handle returns the lever to its starting position.
The transfer mechanism between the number wheels is particularly ingenious. Once a single wheel reaches 9, two teeth engage with the middle wheel, causing the tens wheel to advance one position. The transition from tens to hundreds is accomplished in the same way.
A clever reset mechanism allows the counter to be zeroed. By pressing and turning the axle, all wheels can be reset to zero simultaneously.
In addition, the developer of the project provides detailed instructions on assembly and coloring. Surprisingly, he recommends using nail polish for coloring, which has proven to be an inexpensive and effective solution.
And this time, 3DMART actually printed out this creation!
We completed this project using both the X1C and X1E from Bambu Lab. After assembly, it was really interesting to see its operational structure!
This project impressively demonstrates the possibilities of 3D printing complex mechanical systems.
It shows how creative solutions and precise structures can be used to create functional devices without additional materials.
This project impressively demonstrates the possibilities of 3D printing complex mechanical systems.
It shows how creative solutions and precise structures can be used to create functional devices without additional materials.
► Bambu Lab
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