Thermoplastic Kilnforms: Extending Glass Kilnforming Techniques to Thermoplastic Materials using Ontology-Driven Design

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The ecology of thermoplastic materials is rapidly evolving, enabling an exciting landscape of functional, aesthetic, and interactive forms. Despite their utility in fused filament fabrication (FFF), an even larger and untapped design space exists for thermoplastics. In this work, we introduce a design method that leverages similarities with a more mature medium (glass) to guide a material-centered exploration of a new medium (thermoplastics). Through a collaboration between domain experts in thermoplastics and glass, we synthesized an ontology of kilnforming techniques and developed an annotated portfolio of thermoplastic kilnforms that capture generative design directions for altering the phenomenological qualities of plastic, prototyping metamaterials, and composite forms, and engaging with other material practices. We discuss how material parallels can continue to expand the role of thermoplastics as a design material and how ontology-driven design can serve as a means of localizing, questioning, and generating material knowledge.