Zenz designs and makes. Often ideas are first explored with experiments which are then developed and produced as multiples. These are not usually held as inventory but are items run off for a period or to order.
Where relevant and possible, use is made of existing structures, often with elements cantilevered or hung rather than just placed on the ground. An aversion to repetition seems to mean that especially staircases tend to be re-invented with each commission.
The materials used are chosen strongly for environmental reasons and engineering principles. An aesthetic connected to that which is inherent in the materials thus ensues.