Sleeve for La Cimbali coffee grinder hopper
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A repair part to fix a broken La Cimbali grinder hopper.
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Updated at source:
Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Public Domain
The broken part
The polycarbonate hopper that has fallen one time too many:
The fix
- The sleeve slides on top and encloses the original part.
- The top perimeter reproduces the original features, thus allowing the existing lid to be used.
- A window facing the front of the machine has been designed to monitor the level of beans left.
- The fit is loose to allow easy cleaning.
Implementation details
Designed using OpenSCAD. The cutout curve was done swiftly thanks to this simple Bezier curves code.
Matching the curves and the various features of the hopper proved more tricky than I initially thought. I converged on a nice fit through a series of draft prints focusing on different areas.
Low definition drafts:
Details of the underside:
Printing
This print requires support to guarantee the best fit.
On the Mk III S3+, it prints in 22h using the stock QUALITY setting (0.2mm Layer Height).
A view of the model for reference: “La Cimbali Junior Grinder”
