Abstract
Abstract. Distance clothing technology is an actively developing area. For its implementation in the highly specialized area of manufacturing technical means of rehabilitation, and, in particular, in the manufacture of special functional and aesthetic clothing for disabled people, it is necessary to solve organizational and technical issues. An example of a technical issue is remote acquisition of dimensional features. The dimensional characteristics of the human body are an integral part of the technological process of manufacturing individual clothing. The use of 3D scanning makes it possible to implement remote technology for individual design and manufacture of clothing. The production of clothing for wheelchair users involves the adaptation of standard clothing design techniques to the specific properties of the posture. A case of a patient with a C5-C6 cervical vertebra fracture who has been using a wheelchair for more than 25 years is considered. The study used 3D human models obtained with a 3D scanner. The technique of scanning and an example of processing the obtained data are presented. The main features of dimensional features have been determined and an algorithm for their determination by anatomical landmarks has been developed. Recommendations are given for processing 3D scans and combining them into one 3D model. It is shown that the use of 3D scanning for the remote production of a set of functional and aesthetic clothing for a wheelchair user is a way to produce comfortable individual clothing.
Highlights
Analysis of various Internet technologies for the manufacture and purchase of clothing showed that in order to improve the quality of manufacturing special clothing for the disabled and the effectiveness of creating new models of it, it is possible to improve the existing remote technology for manufacturing such clothing as follows: - to increase the completeness of the initial information about the patient for designing clothes, provide the ability to obtain an electronic geometric model of his figure by 3D scanning
The initial information is set in the form of a mathematical model (MM) on the surface of a typical mannequin or figure, which is converted into MM of the product surface and proceeds to two-dimensional scans, from which the parts of the product are formed
The figure can be built both according to the dimensional characteristics of the client, and according to an electronic geometric model obtained by 3D scanning
Summary
Analysis of various Internet technologies for the manufacture and purchase of clothing showed that in order to improve the quality of manufacturing special clothing for the disabled and the effectiveness of creating new models of it, it is possible to improve the existing remote technology for manufacturing such clothing as follows: - to increase the completeness of the initial information about the patient for designing clothes, provide the ability to obtain an electronic geometric model (scanator) of his figure by 3D scanning. "Unfolding" clothing CAD (3D → 2D) allows to design the shape of the product in three-dimensional space, and get the product details on the plane for further transformation In such systems, the initial information is set in the form of a mathematical model (MM) on the surface of a typical mannequin or figure, which is converted into MM of the product surface and proceeds to two-dimensional scans, from which the parts of the product are formed. The system can automatic orientate the 3D model, but there are some limitations of the 3D model analyzing: 1) automatic analysis only for vertical pose; 2) measurement of angular dimensions is not provided; 3) it is not possible to measure a linear size projection, like the distance between the frontal planes passing each through a reference point by constructing a section in the sagittal plane of the body EGM and measuring the perpendicular to the frontal plane as the distance between frontal planes; 4) the need for each loaded EGM to re-build the necessary dimensions that are not available in the program
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