Safe Storage

Fireproof Home Safe

Intuitive interface for a robust locking mechanism


Designing a new keypad and lock interface for a product & platform refresh is a fairly straightforward charter.

We strive to deliver as many viable design options within the project timeline, scope, material and assembly constraints.


Design Management

User-Centered Design

Understanding the voice of the stakeholders and the subjectively defined needs of the consumer base guided the initial concept efforts.

design culture

Concepts Illustration

Establishing guidelines which included engineering concerns about alignment to pre-existing assembly patterns and mechanisms without sacrificing usability, value added features, and ease of use was of special concern.

how to launch a product

CMF & Integration with teams

CAD modelling to the engineering team's specifications and meeting ergonomic and user needs, we successfully deliver on time and under budget with an attractive and use-able product.


Design rendering
product design help
concepts illustration
design methods

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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