Custom 49mm Filter Basket Project for a Lever Espresso Machine Brand
Project Summary
A repeat-production basket project focused on machine compatibility, tight tolerance control and stable batch production.
Customer Requirement
The customer needed custom 49mm espresso filter baskets that could fit its lever espresso machine system and deliver a stable brewing experience for home espresso users.
The project included both pressurized baskets and single-wall baskets, allowing the brand to support different user levels and brewing needs.
- Custom 49mm size for a lever espresso machine system
- Pressurized basket for easier extraction
- Single-wall basket for more advanced espresso users
- Stable fitting with the customer’s portafilter system
- Consistent dimensions across bulk production
SIF Solution
SIF developed and produced 49mm pressurized and single-wall filter baskets according to the customer’s machine and portafilter requirements.
The project focused on tolerance control, basket forming consistency, hole quality and repeatable batch production. This helped the customer maintain a consistent product experience in the market.
- Machine-specific basket development
- Dimension and fitting control
- Pressurized and non-pressurized basket options
- Sample confirmation before bulk production
- Repeat production support for long-term supply
Additional information
Description:
Products Involved
The project was built around custom filter baskets designed for a compact lever espresso machine system.
| Product | Customization | Purpose |
|---|---|---|
| 49mm pressurized filter basket | Custom size, structure and fitting control | Designed for easier espresso extraction and beginner-friendly brewing |
| 49mm single-wall filter basket | Custom size, hole consistency and batch stability | Designed for users who want more control over grinding, dosing and extraction |
| Lever machine compatibility | Basket dimensions matched to the customer’s portafilter system | Ensures stable fit and repeatable user experience |
| New 40mm basket development | Ongoing development for smaller basket specifications | Supports the customer’s future product line expansion |
Note: Customer brand name and detailed drawings can be kept confidential for public project pages.
Project Highlights
This project shows how SIF supports espresso machine brands with custom basket development and stable long-term production.
1
Machine-specific Basket Development
The 49mm baskets were developed to fit the customer’s lever espresso machine and portafilter system, instead of being treated as standard off-the-shelf accessories.
2
Pressurized and Single-wall Options
The customer could offer different basket options for different users, from easier pressurized brewing to more advanced single-wall extraction.
3
Tight Tolerance Control
For espresso machine brands, basket dimensions directly affect fitting, extraction and user experience. SIF’s tolerance control was recognized by the customer.
4
Batch Production Capability
The project required stable quality across bulk orders, not just sample-level production. SIF supported repeatable manufacturing for long-term supply.
5
Positive Market Feedback
The finished baskets received good market feedback, helping the customer continue improving and expanding its espresso machine accessory system.
6
Future Product Development
Based on the successful 49mm project, the customer and SIF are now developing a new 40mm basket project for future machine and accessory needs.
Result
The project developed into a long-term cooperation based on product performance, tolerance control and batch production reliability.
49mmcustom basket project for lever espresso machine system
Recognized by the Customer
The customer gave positive feedback on the market response and recognized SIF’s ability to control product tolerances and support bulk production. This also led to continued development of a new 40mm basket project.
