Solid Knitting

Author:

Hirose Yuichi1ORCID,Gillespie Mark1ORCID,Bonilla Fominaya Angelica M.12ORCID,McCann James1ORCID

Affiliation:

1. Carnegie Mellon University, Pittsburgh, United States of America

2. Google, New York, United States of America

Abstract

We introduce solid knitting, a new fabrication technique that combines the layer-by-layer volumetric approach of 3D printing with the topologically-entwined stitch structure of knitting to produce solid 3D objects. We define the basic building blocks of solid knitting and demonstrate a working prototype of a solid knitting machine controlled by a low-level instruction language, along with a volumetric design tool for creating machine-knittable patterns. Solid knitting uses a course-wale-layer structure, where every loop in a solid-knit object passes through both a loop from the previous layer and a loop from the previous course. Our machine uses two beds of latch needles to create stitches like a conventional V-bed knitting machine, but augments these needles with a pair of rotating hook arrays to provide storage locations for all of the loops in one layer of the object. It can autonomously produce solid-knit prisms of arbitrary length, although it requires manual intervention to cast on the first layer and bind off the final row. Our design tool allows users to create solid knitting patterns by connecting elementary stitches; objects designed in our interface can---after basic topological checks and constraint propagation---be exported as a sequence of instructions for fabrication on the solid knitting machine. We validate our solid knitting hardware and software on prism examples, detail the mechanical errors which we have encountered, and discuss potential extensions to the capability of our solid knitting machine.

Funder

the National Science Foundation under Award

the INNO-vation Program of the Ministry of Internal Affairs and Communications, Japan

the 100BANCH GARAGE Program of Panasonic Holdings Corporation

the MITOU Advanced Program of the Information-technology Promotion Agency, Japan

Publisher

Association for Computing Machinery (ACM)

Reference45 articles.

1. Digital Fabrication of Soft Actuated Objects by Machine Knitting

2. Engineering Multifunctional Spacer Fabrics Through Machine Knitting

3. AmiGo: Computational Design of Amigurumi Crochet Patterns

4. William Felkin. 1867. A History of the Machine-Wrought Hosiery and Lace Manufactures. Longmans, Green, and Co., London. https://archive.org/details/historyofmachine00felkuoft/

5. Nils Grimmelsmann, Johannes Fiedler, and Andrea Ehrmann. 2018. Crochet machine. https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2018114025 PCT Publication No. WO2018114025, Published June 28th., 2018.

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Solid Knitting (Abstract);ACM Symposium on Computational Fabrication;2024-07-07

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