Add first draft
Signed-off-by: Knut Ahlers <knut@ahlers.me>
Improve model after first assembly
- bottom cap fitting: was too tight
- top cap cover: 0.5 * width allows coin to fall out
- inner spacing: was too high for spring to cover
Signed-off-by: Knut Ahlers <knut@ahlers.me>
Generate waschmarken STL
Signed-off-by: Knut Ahlers <knut@ahlers.me>