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Engineering designers’ CAD performance when modelling from isometric and orthographic projections

Published online by Cambridge University Press:  16 May 2024

Fanika Lukačević ,
Niccolò Becattini  and
Stanko Škec
Fanika Lukačević*
Affiliation:
University of Zagreb Faculty of Mechanical Engineering and Naval Architecture, Croatia Politecnico di Milano, Italy
Niccolò Becattini
Affiliation:
Politecnico di Milano, Italy
Stanko Škec
Affiliation:
University of Zagreb Faculty of Mechanical Engineering and Naval Architecture, Croatia
*
[email protected]

Abstract

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The presented study investigates differences in engineering designers' CAD performance when modelling from two types of projections in technical drawings – isometric and orthographic. The results revealed significant differences in the percentage of correctly replicated components' size and shape, indicating better CAD outcomes when generating CAD models from the orthographic projection. In addition, a comparison of duration, as well as the number and type of sketch entities, sketch relations, and CAD features, showed that CAD modelling processes were similar in both conditions.

Keywords

computer-aided design (CAD)performance indicatorsdesign representation
Type
Design Methods and Tools
Information
Proceedings of the Design Society , Volume 4: DESIGN 2024 , May 2024 , pp. 653 - 662
Creative Commons
Creative Common License - CCCreative Common License - BYCreative Common License - NCCreative Common License - ND
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
The Author(s), 2024.

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