Designing a Trangia Coffee Brewer

Abstract

This master’s thesis explores the development of a specialised coffee brewing accessory tailored for Trangia AB, a leading Swedish manufacturer of outdoor cooking stoves. The aim of the project was to create a simple, reliable brewing solution that enriches the outdoor experience, uniting contemporary coffee habits with Trangia’s core values of sustainability, simplicity, and backwards compatibility. Through an exploratory design process involving benchmarking, brand analysis, and qualitative user research, the needs of the primary target user groups were identified. By utilising iterative concept generation methods such as brain drawing, rapid physical prototyping, and evaluation matrices, multiple brewing mechanisms were explored. The final selected concept is the ”Auto Drip”, an innovative solution that brings drip coffee to the outdoor segment. Powered by the stove’s heat, the device utilises the principles of a percolator, collecting steam in a pump base to push boiling water through a pipe and into a filter holder. This design provides a highly desirable ”set it and forget it” experience while delivering consistent drip coffee in the field. Prioritising packability and seamless integration, the lightweight metal components pack flat within Trangia’s existing 25 and 27 stove systems. Ultimately, the project resulted in a robust, modular accessory that maintains a visual language that respects Trangia’s heritage while meeting modern campers’ expectations for reliable outdoor functionality