Pre-Filter Screen for Robot Vacuum

Boost MeIf this pre-filter helps you extend the lifespan of your HEPA filters and saves you maintenance costs, please consider dropping a 👍 and a Rocket Boost! Your support motivates me to engineer more functional upgrades for smart home appliances.

Overview

This is a custom-engineered, 3D-printable pre-filter designed specifically for the dustbin of the Dreame X40 Ultra robot vacuum. Its primary function is to intercept larger debris, hair, and macro-particles before they reach the main HEPA filter. This separation mechanism significantly extends the operational lifespan of the OEM filter, maintains optimal airflow, and prevents premature vacuum degradation.

Design Features

• Integrated Positioning Flange: The model features a geometric lip/flange around its perimeter to ensure secure mechanical fixation and tight tolerance integration within the dustbin aperture.
• Optimized Airflow Mesh: The grid geometry is balance-optimized to maximize particle retention while minimizing aerodynamic resistance (pressure drop).

Installation & Maintenance Instructions

 

Sealing Gasket: https://makerworld.com/en/models/2858018-sealing-gasket-for-robot-vacuum-pre-filter

 

Please let me know in the comments which other models this pre-filter fits—I will add them to the description.