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About

Joseph R. Kubalak is a pioneering researcher in advanced additive manufacturing, with a focused expertise in multi-axis material extrusion (ME) and robotic fabrication systems. His most significant contributions address one of 3D printing's fundamental limitations: the anisotropic mechanical weakness that arises from traditional layer-by-layer deposition. Through his landmark studies on multi-axis ME — which have collectively garnered over 75 citations — Kubalak demonstrated that leveraging additional degrees of freedom in toolpath planning can substantially improve interlayer bond strength and overall part performance, eliminating the need for design compromises inherent to conventional three-axis systems. A hallmark of his work is translating theoretical insight into physical reality. His early design of a six degree-of-freedom robotic extrusion platform provided the foundational hardware infrastructure that enabled subsequent advances, including conformal deposition of high-performance materials such as cyanate ester resins and liquid metals on complex three-dimensional geometries. More recently, Kubalak has expanded his scope toward autonomous fabrication, developing a hybrid robotic workcell capable of printing complete mechatronic systems — demonstrated vividly through full-scale drone fabrication. His ongoing research into simultaneous topology and toolpath optimization signals a compelling trajectory toward truly layer-free, structurally intelligent manufacturing.