Inspired by the simplicity and efficacy of Stone Age tools, this fresh herb chopper was created as a more ergonomic alternative to your classic knife.
Functional model of chopping tool (1)
Functional model of chopping tool (2)
Functional model of chopping tool (3)
Functional model of chopping tool (4)
The hand applies force in a position that doesn’t require grasping or excessive pressure to be applied when crushing (see images above). Compared to the motions performed on a knife, this tool is an improvement in comfort and efficiency for all users, especially individuals with physical challenges such as rheumatoid arthritis or carpal tunnel syndrome.
Functional model of crushing tool (1)
Functional model of crushing tool (2)
Top: visual model of chopping tool. Bottom: visual model of crushing tool.
The project brief stated one constraint: the tool has to have one hole. Prototyping brought about the realization that this hole could be incorporated in the blade to serve a second purpose: crushing.
For this secondary purpose, the tool is turned around and the fingers go through the hole in the blade. Here, pressure is applied in a downward motion to crush certain herbs such as mint or even garlic.
Left: back view of the visual model. Right: back view of the functional model.
Left: front view of the visual model. Right: front view of the functional model.
The grey prototype, made using plasticine and a metal ring, is the works-like (functional) model, used to showcase the proposed functionality of the final product. A looks-like (visual) prototype was also created out of high-density foam, presenting the tool in its final visual form.
The Process
Sketches and early prototypes were created to explore form and functionality.
Sketches showing iterations in form and function.
Final sketch.
Early clay prototypes
Early functional and visual models exploring form and function