What had to be solved
Pest vines require effective treatment, but herbicide use brings risks of wastage, environmental fouling and human contact.

A work-in-progress system for precise, safe delivery of herbicide to pest vines damaging New Zealand native flora and fauna.
This is where David’s design-development practice remains active: practical, ecological and still looking for the better mechanism.

Concept originator and product-development lead.
Pest vines require effective treatment, but herbicide use brings risks of wastage, environmental fouling and human contact.
David developed the Vine Pod concept as a delivery system for predetermined, precise herbicide volumes applied to the vine with minimal waste and reduced operator exposure.
A current development project that carries JungDesign’s product-system thinking into biodiversity protection.
This kind of work explains the structure in David’s paintings: the clear edge, the controlled crop, the object treated seriously, and the confidence that comes from decades of making ideas survive contact with real-world constraints.