Herein, the effects of recycled polymers on the mechanical properties of additively manufactured specimens, specifically those derived by fused deposition modelling, are determined. The intention is to investigate how 3D-printing can be more sustainable and how recycled polymers compare against conventional ones. Initially, sustainability is discussed in general and more sustainable materials such as recycled filaments and biodegradable filaments are introduced. Subsequently, a comparison of the recycled filament recycled Polyethylene terephthalate (rePET) and a conventional Polyethylene terephthalate with glycol (PETG) filament is drawn upon their mechanical performance under tension, and the geometry and slicing strategy for the 3D-printed specimens is discussed. Finally, the outcomes from the experiments are compared against numerically determined results and conclusions are drawn.

在此，确定了再生聚合物对增材制造的试样的机械性能的影响，特别是对那些通过熔融沉积建模得出的试样的力学性能的影响。目的是研究3D打印如何更具可持续性，以及将回收的聚合物与传统聚合物进行比较。最初，对可持续性进行了一般性的讨论，并介绍了更具可持续性的材料，例如再生长丝和可生物降解的长丝。随后，将回收的长丝回收的聚对苯二甲酸乙二醇酯（rePET）和常规的聚对苯二甲酸乙二醇酯与乙二醇（PETG）长丝进行比较，比较它们在拉伸下的机械性能，并讨论了3D打印样品的几何形状和切片策略。最后，