Branching Inventory - Democratized Fabrication of Available Stock

Saslawsky, Kevin; Sanford, Tyler; MacDonald, Katie; Schumann, Kyle

doi:10.52842/conf.caadria.2021.1.513

Cited by 2 publications

(1 citation statement)

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“…Various methods were implemented, including 3D scanning and distilling to extract critical data, and analyzing 2D images with edge detection. Students are equipped with conceptual and technical understandings of how material irregularities can be understood and processed computationally, preparing them to participate in contemporary advances using computation to advance sustainable fabrication (Self and Vercruysse 2017; Larsen and Aagaard 2019;Johns and Foley 2014;Bechert et al 2021;Saslawsky et al 2021).…”

Section: Resultsmentioning

confidence: 99%

Learning from Logs: Introductory Analog and Digital Pedagogy Addressing Material Irregularity

Schumann¹

2022

CAADRIA Proceedings

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Advanced computational visioning, modeling and fabrication technologies are becoming increasingly accessible to nonexpert users, allowing designers to engage complex forms and materials with increasing control and precision. Nonetheless, beginning designers often struggle to maintain authorship when mastering new software, resulting in designs shaped by the biases of the digital tools at hand. The act of translation between physical and digital poses particular difficulty. This paper presents a sequential pedagogy in which students are introduced to both manual and digital analytical and fabrication processes with the goal of understanding, analyzing, and addressing material irregularity. Techniques and tools employed include digital modeling in Rhinoceros, 3D scanning, computational analysis in Grasshopper, traditional woodshop tools, 3D printing, laser cutting, and CNC routing. The outcomes and criteria for evaluating student projects are discussed: in particular, the learning opportunities afforded by using irregularly sized and shaped material that allowed students to develop creative ways of working with standard woodworking and digital fabrication tools. Additional challenges due to virtual teaching and financial considerations are addressed through salvaged materials and democratized technologies.

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Section: Resultsmentioning

confidence: 99%

Learning from Logs: Introductory Analog and Digital Pedagogy Addressing Material Irregularity

Schumann¹

2022

CAADRIA Proceedings

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Elimination of Induced Hypoxic Regions in Depth of 3D Porous Silk Scaffolds by the Introduction of Channel Configuration

Tabesh

Elahi

Amoabediny

et al. 2022

BioMed Research International

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Development of large, clinically sized tissue constructs with efficient mass transport is a tremendous need in tissue engineering. One major challenge in large tissue-engineered constructs is to support homogeneous delivery of oxygen and nutrients throughout the tissue scaffold while eliminating induced hypoxic regions in depth. To address this goal, we introduced an especial channeled architecture on porous silk-based tissue scaffolds to improve supplying of oxygen to the cells in central regions of the scaffolds. Oxygen gradients were measured and evaluated in three scaffold prototypes, namely, one unchanneled and two channeled scaffolds with different channel diameters (500 μm and 1000 μm). The channels were introduced into the constructs using stainless-steel rods arranged uniformly in stainless-steel mold, a fabrication method that enables precise control over channel diameter and the distance between channels. During 2-week culture of G292 cells, the 1000 μm channeled scaffolds demonstrated higher oxygen concentration at the center compared to 500 μm channeled prototype; however, the oxygen concentration approached the same level around the last days of culture. Nevertheless, homogenous oxygen distribution throughout the 1000 μm channeled constructs and the consequence of higher cell proliferation at day 14 postseeding corroborate the efficient elimination of induced hypoxic regions; and therefore, it holds promise for clinically relevant sized scaffold especially in bone tissue engineering.

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Branching Inventory - Democratized Fabrication of Available Stock

Cited by 2 publications

References 0 publications

Learning from Logs: Introductory Analog and Digital Pedagogy Addressing Material Irregularity

Learning from Logs: Introductory Analog and Digital Pedagogy Addressing Material Irregularity

Elimination of Induced Hypoxic Regions in Depth of 3D Porous Silk Scaffolds by the Introduction of Channel Configuration

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