Nowadays, the circular economy model is basically built on the efficient use of resources and the maximization of the product’s lifetime as long as possible, by recovering, reusing and recycling existing materials and products. Comparing circular economy with the new trend of customized products, there is an opportunity for the production of personalized products with less associated environmental costs. As a key factor can be considered the 3D printing technology, which is already widely accessible, offering customisable possibilities without expensive tooling based on individual specifications. Furthermore, the opportunity for recycling and degradation of different plastic materials and the creation of a filament for 3D printers has large impact on the product life cycle. The aim of this study is to highlight the management of recyclable plastic by creating new customized products. Souvenir industry has been chosen as a representative example which covers a big number of different products offering simultaneously a mass customized character.

Modelling with 3D CAD (Computer Aided Design) tools has reached a point that its complexity is difficult to be controlled without the use of programming tools. Both general purpose CAD systems and specialized CAD pieces of software allow their programming with textual or visual interface. The designer is offered with a variety of tools in order to automate the design process and handle its geometrical complexity. The present paper deals with the use of CAD based visual programming for product designers, who want to use unusual geometries based on 2D patterns and present their work to the final user using high-end rendering images. The proposed designs can be customized to a great extend and contribute towards their increased added value. At the same time, a family of products can be presented, when the design parameters used get alternative values.

This paper explores the creation of architectural structures through parametric design tools. The proposed methodology presents an alternative framework of using digital tools for the product design development from the design thinking point of view. The main core of the suggested design process includes a great number of theoretical issues from design identity, design language and architectural design areas. As a result, designers can develop constructions for public spaces that are based on innovative morphologies by using new digital design techniques such as computational design (Rhino3D and Grasshopper). The development of an architectural structure that aims to bring greenery into the city and increase the rest and action spaces is presented. A valuable aspect of this exploration is in positioning the proposed design framework inside - to aid in the creative process and better leverage downstream outcomes. The final steps of the proposed methodology include the production of the final architectural structure through rapid prototyping, laser cutting and engraving techniques.