This paper aims to identify the current status of research in 3D concrete printing (3DCP), locate the sustainability considerations relevant to these trajectories, and to identify a gap in knowledge and future research challenge regarding the sustainability of 3DCP. To categorize the broad range of research topics within 3DCP, the paper introduces an assessment framework that subdivides this If we focus only on nylon 3D printing, it is clear that, depending on the type of polyamide, its origin and composition, this material will have a greater or lesser impact on the environment. To better understand its role in the industry, as well as its carbon footprint, we will try to analyze the characteristics and properties of nylon, both

1. Introduction. 3D printing is a comparatively newer manufacturing process in which the materials/objects are built from bottom-up. This is exactly opposite to the conventional processes wherein the raw material is processed in a top-down fashion to generate the final product.

However, if 3D printing is to be incorporated more widely into commercial manufacturing or hospital settings, then its environmental impact must be more fully quantified and understood. As a digitalised technology, 3D printing depends on electricity to operate, and electricity is a main contributor to CO 2 emissions (Gao et al., 2019). Some 3D
The overall life cycle results have revealed that the 3D printing process has a lower environmental impact in all impact categories due to the modifications of the manufacturing process enabled by the implementation of 3D printing technology to produce SOFC stack, decreasing the impact around 95% for the categories Global Warming Potential The production and use of plastic-based 3D printed objects can contribute to environmental concerns such as resource depletion, waste generation, and pollution. However, sustainable practices offer solutions to minimize these impacts. In addition to sustainable practices, the choice of materials is crucial in minimizing the environmental impact
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The study also reports the environmental impact of conventional and modular construction. A customized 3DP process is proposed for Oman analyzing the cost, time, and economic advantages of the 3DP construction technology. Keywords. 3D printing; Building construction; Affordable housing; Cost–benefit analysis; Environmental impact assessment; GDP

The present study conducts an environmental evaluation of 3D Concrete Printing technology with a specific focus on the contribution made by robotic printing system to the overall impact. Thus, a detailed life-cycle model of a printing cell based on 6-axis robot technology is assembled and its outlay to the printing process is discussed.
Certainly, 3D printing in construction offers significant advantages, notably in material efficiency, reduced labor costs, and environmental impact. The precision of 3D printing, using only the
This paper reviews the impact of 3D printing on the environment and compares it with existing Fused filament fabrication (FFF) is one of the most commonly used 3D printing technologies and has gradually become an important plastic processing technology. However, due to the variety of performance and application scenarios of FFF products, there is no research to comprehensively evaluate the environmental impact of the process. The environmental impact assessment method of FFF products .
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    • environmental impact of 3d printing