Worked on the Ultimaker/Cura repository to deliver a default material diameter setting for 3D printing, introducing a standardized value within the method line configuration. This change streamlined material specification, reducing setup errors and improving workflow consistency for end users. The implementation involved configuration management and careful handling of 3D printing settings using JSON, with changes tracked through Git. Additionally, addressed material diameter handling related to issue CURA-12937, which enhanced print reliability. The work demonstrated an end-to-end feature delivery process, aligning code changes with issue tracking and ensuring improvements were integrated within the same release cycle for efficient deployment.