Bambu A1/A1 Mini Hotend Screw Fix

Did the bottom metal spring buckle or plastic clips break on your Bambu Lab A1 / A1 Mini hotend? Is your hotend loose or disconnecting during printing? This model is a solid, 3D-printable replacement for the stock hotend retention clip. It locks the hotend securely using the original M3 screw location on the toolhead frame. ### Key Features: * **Permanent Fix:** Replaces damaged metal spring buckles / plastic latches with a firm screw-locked block. * **Heatsink Airflow Vents:** Integrated vertical cooling slots preserve proper airflow to the hotend radiator, preventing heat creep. * **Stock Hardware Compatible:** Uses the original M3 screw already present on the toolhead. * **Easy to Print:** No supports required! ### Installation Instructions: 1. Remove the damaged stock clip/latch from the toolhead frame. 2. Insert your hotend fully into the toolhead assembly. 3. Slide this 3D-printed lock into place over the hotend mounting area. 4. Fasten it tightly using the original M3 screw. ### Recommended Print Settings: * **Material:** PETG, ABS, or ASA (recommended due to radiator heat). * **Layer Height:** 0.16mm – 0.20mm * **Walls:** 3-4 walls * **Infill:** 20% - 30% * **Supports:** NONE