Just a simple pin locking mechanism
Dimension: 60 * 50 * 67 mm^3
Contact plane clearance: 0.1 - 0.25 mm
Files download Link:
https://www.thingiverse.com/thing:672...
https://makerworld.com/zh/models/5869...
If you need some modification, you'll pay a fee.
Please tell me.
FB: / kiwifoxculture