Watch opening tool 40mm
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It is used for opening the watches back cover, in order to replace the battery
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial
This opener should fit on all common 40mm watches with a threaded back plate. Some higher end watches need a specified torque value applied for closing, to be waterproof again afterwards. There fore this tool features a 3/8'' drive in the middle to fit your torque wrench.
Note: The notches have a 2mm size and fit verry tight. If you tend to over extrude, you might tune slightly towards underextrusion to make them fit better.
For layers a 0.1 hight worked fine for me.
CHANGE LOG 23.07.2023:
Added a version with longer handle bars to give you more grip. The long handle version has the normal 2mm sized notches
CHANGE LOG 27.01.2023:
Added a version with “smaler” notches. Theyr size is reduced from 2mm to 1.75mm widht. Therefore they should fit much better even with slight over extrusion