Luxury Spa Tubs

AKA Hot Tubs

A relaxing experience made possible by design


Designing a luxury wellness product such as a high-end hot-tub has many exciting opportunities and problems to solve.

Ergonomics and user-centered design play key roles in defining the scope and strategy to execute efficiently and within scope.


Design Management

Concept Sketching & Illustrations

Exploring new and exciting styling for a spa's housing while coordinating features like the bar top, jet controls, recesses, pillows, jet bezels, seating and user interfaces.

design culture

User Scenarios

Asking 'what-if?' questions while also being guided by marketing research and creating ergonomic experiences as the foundation for defining product specifications.

how to launch a product

Rendering and Visualization

3D CAD modelling, sculpting 3D scanning, scaling, and iterative design concept visualisations ultimately narrow the design focus until the intent is captured in a strong narrative based on the end user's experience.


Spa Recesses
Concept Sketching
Concept illustrations
Concept Design Illustrations

While the product development process can be customized to apply effectively to the needs of the customer and adapt to changing business objectives, Principal Design's 5 step process is a framework that guides the design team and encourages communication and stable execution.

design process


Principal Design approaches every project methodically. The success of a product development project depends upon the clarity and strength of the process. Organized into the five stages most proven to leverage our design efforts, Principal Design's purpose-driven frameworks were developed and refined to reduce risk while balancing exploration with execution. Our creative strategy is divergent to leverage resources and discovery, and convergent to select for the best opportunities.

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