...Momen Qasaimeh; Mahdi Al Quran Purpose This study aims to propose a novel dual-nozzle fused deposition modeling ( FDM ) approach in which a secondary nozzle is used to fill interfilament air gaps using either the same material (thermoplastic polyurethane [TPU–TPU]) for the single-material case...

... strength and bending strength of 3D printed parts. Design/methodology/approach Samples in accordance to various ASTM standards were printed by fused deposition modelling (FDM) method by varying the various input paramaters such as bed temperature, primary layer thickness and infill pattern (rectilinear...