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    Concept Sketches
The Whirlblade in action
What It Does

The Whirlblade, the new intuitive way of mixing foods and liquids. Offering flexibility and freedom in use by offering a natural spoon-like stirring motion, as well as the traditional way of using an immersion blender and its extensions.

The Inspiration

The Whirlblade design is developed on the frustration that comes with the interactive use of an immersion blender. The focus lies on both the interaction between user and the necessary technology enhancements. Current blenders indirectly force users to take on a semi-supinated hand position, which can contradict the natural intuition to mix liquids in a pronated hand position (as one would do with a stirring tool). This resulted in the new design: enable a more intuitive way users can interact with an immersion blender, without excluding user-preferred interaction (supinated or pronated positions) or downgrading on functionality.

How It Works

The mixing part will be submerged in the to-be-mixed substance. A blade will pull the substance through the funnel, allowing better convection and estimated effectiveness of the blending. The current design and implementation of the blade design is similar to conventional immersion mixer blade design, please see Future Plans for more information. The blades are powered by a motor, preferably running on rechargeable battery power.

Ergonomic improvements consist of an evenly distributed weight of the entire product, an upgrade over traditional top-heavy immersion blenders. The power unit will get an upgrade over conventional models, with a target of 1000W. A cordless design gives users more freedom of movement. However, a corded design has also been kept in mind in case cordless isn’t feasible in combination with the previously mentioned increased power unit.

Stages of Development

Dyson’s products are distinctive from archetypical product shapes. How come? The use of new and different technology tends to have a very high influence on the shape. Therefore the technique has been examined first and what could be improved. Evaluating different techniques like the Archimedes’ screw or re-defining the way we use blades gave new insights for this product. Visuals are bound to the 3D shapes of products, a conclusion that is backed by a mismatched example where 2D aspects are applied to the 3D shapes of an existing immersion mixer.
First some idea sketching was executed, to broaden the possibilities of technology. Concepts integrated a “bladeless” design aspect, as well as almost see-through blades. Focussing on redefining the way of mixing, an idea emerged to flip the motion of the blades by 90°. Offering flexibility and freedom in use and entire different motion, provides a more natural feeling of the usage.
The shape of the handle was designed with the focus on ergonomics with help of foam models. The overall handle shape has been kept to a low implicit (and explicit) use/grip design, allowing use in an upright and pronated ‘stirring’ position. The final 2D visuals were chosen, because they were inspired on the hairdryer, which is a hand operated product as well


Common immersion blenders are typically not designed for other uses than an upright position. With use of the Whirl Blade, users can use the immersion blender to their liking. The main handle has a conical shape to accommodate for varying hand grip radii. The overall handle shape has been kept to a low implicit (and explicit) use/grip design, allowing use in an upright and pronated ‘stirring’ position. Traditional immersion blenders tend to have a certain area designed in the handle area where users should/must hold it (as the most comfortable and usable position).

The Whirl Blade offers improvements on the current immersion blender design and new intuitive ways of using it. Considering all current design aspects, together with future plans, the Whirl Blade will offer a solid new way of using an immersion blender.

Future Plans

The blade design requires more attention for development, as the current blade is based on the traditional blade. Furthermore, a more stable and less vibrating way of chopping and cutting and the idea of variable substance output size is desired, but their designs have not been advanced and thus have not been implemented.

Future ideas include attachments (e.g. filter, nozzle), a variable RPM mode, a slow-mixing mode (very low RPM, for stirring purposes) and a blender jug. The main focus lies on maintaining and improving current values and functionalities of the immersion blender (plus attachments), while only adding value increasing features