Metamaterial springs for low-frequency vibration isolation by Wenlong Liu, Lingling Wu, Junming Zhang, Jingbo Sun, Ji Zhou

“…As proof-of-concept, we demonstrate, both in simulations and experiments, the quasi-zero stiffness characteristics of the proposed metasprings using 3D-printed experimental specimens. Moreover, the low-frequency vibration isolation properties of the proposed metasprings is demonstrated both in vibration tests and automotive vibration tests. …”
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Application of an Endodontic Static Guide in Fiber Post Removal from a Compromised Tooth by Mehran Farajollahi, Omid Dianat, Samaneh Gholami, Shima Saber Tahan

“…While the use of an endodontic 3D-printed static guide for fiber post removal has been reported as highly successful, it can also cause complications. …”
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Presentation of a Case of Short Root Anomaly in an 11-Year-Old Child by Angeliki Sofia Trimeridou, Aristidis Arhakis, Konstantinos Arapostathis

“…A custom mouthguard for dental trauma protection was also constructed using a computer-aided design - computer-aided manufacturing (CAD–CAM) system in order to fabricate 3D-printed dental casts. At 2-year follow-up, the mobility of maxillary lateral incisors decreased, and the patient’s dentition remained stable. …”
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Acetylcholinesterase Inhibitors Assay Using Colorimetric pH Sensitive Strips and Image Analysis by a Smartphone by Adam Kostelnik, Alexander Cegan, Miroslav Pohanka

“…Measurement procedure was performed on 3D printed holder and digital photography was evaluated using red-green-blue (RGB) channels. …”
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Frequency-Tunable Electromagnetic Absorber by Mechanically Controlling Substrate Thickness by Heijun Jeong, Manos M. Tentzeris, Sungjoon Lim

“…In order to mechanically control the substrate thickness, we introduce a 3D-printed molding with air space. The proposed structure consists of two layers and one frame: the FR4 substrate, polylactic acid (PLA) frame, and air substrate. …”
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Challenges and Innovations in Alveolar Bone Regeneration: A Narrative Review on Materials, Techniques, Clinical Outcomes, and Future Directions by Diana Marian, Giuseppe Toro, Giovanbattista D’Amico, Maria Consiglia Trotta, Michele D’Amico, Alexandru Petre, Ioana Lile, Anca Hermenean, Anca Fratila

“…Personalized treatments, like customized 3D-printed scaffolds, show promise in enhancing bone formation and tissue compatibility. …”
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A polysaccharide-based hydrogel platform for tumor spheroid production and anticancer drug screening by Elliot Lopez-Vince, Teresa Simon-Yarza, Claire Wilhelm

“…To ensure micro-structuring of the hydrogel and enable spheroid formation, 3D printed molds consisting of a network of 200-µm-diameter micropillars were used to generate microstructured hydrogel constructs that fit into a multi-well plate. …”
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RETRACTED: A Newly-Designed Wearable Robotic Hand Exoskeleton Controlled by EMG Signals and ROS Embedded Systems by Ismail Ben Abdallah, Yassine Bouteraa

“…In this study, a new design of electromyography (EMG)-controlled 3D-printed hand exoskeleton is presented. The exoskeleton was created to help stroke victims with their gripping abilities. …”
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Microelectrothermoforming (μETF): one-step versatile 3D shaping of flexible microelectronics for enhanced neural interfaces by Dong Hyeon Lee, Younghoon Park, Yoon Seo, Hannah Noh, Hyunbeen Jeong, Jongmo Seo, Min-Ho Seo, Kyungsik Eom, Joonsoo Jeong

“…We propose a one-step fabrication of MEAs with versatile microscopic 3D structures via “microelectrothermoforming (μETF)” of thermoplastics, by utilizing 3D-printed molds to locally deform planar MEAs into protruding and recessing shapes. …”
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Five-Axis Printing of Continuous Fibers on the Mold by Paweł Michalec, Marius Laux, Gidugu Lakshmi Srinivas, Robert Weidner, Mathias Brandstötter

“…The proposed five-axis printing technique overcomes these issues by enabling precise fiber orientation and the production of robust spatial structures using 3D-printed molds compatible with CFRTPCs. Validation through three-point bending and surface quality tests revealed that five-axis printed cylindrical-lattice samples, with fibers oriented at 45°, exhibited superior mechanical properties and surface quality. …”
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Digital and physical re-creation of ancient Chinese bells: new understandings and discoveries by Kin Sum Li

“…This article proposes to re-create bells in enlarged and reduced sizes through casting, based on 3D-printed resin models that have been correspondingly scaled up and down, from a 3D model scanned from a 500 BCE bell that was excavated from Xinzheng in Henan province, China. …”
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Myelin ensheathment and drug responses of oligodendrocytes are modulated by stiffness of artificial axons. by Mingyu Yang, Calliope J L Martin, Kavin Kowsari, Anna Jagielska, Krystyn J Van Vliet

“…To this end, we previously developed artificial axons (AAs), a biocompatible platform consisting of 3D-printed hydrogel-based axon mimics designed to more closely recapitulate the micrometer-scale diameter and sub-kilopascal mechanical stiffness of biological axons. …”
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APPLICATION OF OCCLUSAL SPLINTS IN THE DIGITAL ERA: A SERIES OF THREE CASE REPORTS by Lenka Vavrickova, Jan Schmidt, Hana Hubalkova, Doriana Agop Forna, Martin Kapitan

“…The first case involves a 65-year-old male bruxist treated with a 3D-printed Muscle Relaxation Appliance to alleviate muscular facial pain and restore vertical dimension occlusion. …”
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Cracking patterns of brittle hemispherical domes: an experimental study by Siwen Cao, Andr�s A. Sipos

“…The 27 investigated specimens, 20 cm in diameter, were prepared in 3D printed molds, and their material is one of the three mixtures of gypsum and cement. …”
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Optofluidic paper-based analytical device for discriminative detection of organic substances via digital color coding by Jinsol Choi, Chi Yeung Oh, Gong Qian, Tae Soup Shim, Heon-Ho Jeong

“…We fabricate an optofluidic PAD by integrating two coding units into a three-dimensional (3D) microfluidic paper within a 3D-printed cartridge. The optofluidic PADs clearly distinguish 11 organic chemicals with digital readout of pattern recognition from colorimetric signals. …”
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Soft Metalens for Broadband Ultrasonic Focusing through Aberration Layers by Erqian Dong, Tianye Zhang, Jinhu Zhang, Xiaochun Su, Sichao Qu, Xin Ye, Zhanyuan Gao, Chengtian Gao, Jiangang Hui, Zhanxiang Wang, Nicholas X. Fang, Yu Zhang

“…The soft metalens allows for transmission across broadband frequencies (50 kHz to 0.4 MHz) through 3D-printed human skull models mimicking aberration layers. …”
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Microfluidic mixing probe: generating multiple concentration-varying flow dipoles by Dima Samer Ali, Ayoub Glia, Pavithra Sukumar, Muhammedin Deliorman, Mohammad A. Qasaimeh

“…Abstract This study advances microfluidic probe (MFP) technology through the development of a 3D-printed Microfluidic Mixing Probe (MMP), which integrates a built-in pre-mixer network of channels and features a lined array of paired injection and aspiration apertures. …”
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An On-Chip Planar Inverted-F Antenna at 38 GHz for 5G Communication Applications by Syed Muhammad Ammar Ali

“…The measurements are performed after placing the fabricated OCA over a 3D-printed plastic slab to minimize the reflections from the metallic chuck of the probe station. …”
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Influence of Adding Conductive Materials and Integrating Bio Electrochemical Systems on the Efficiency of Anaerobic Digestion by Alberto Mur-Gorgas, Antonio V. García-Triviño, Raúl Mateos, Adrián Escapa, Antonio Morán

“…The research consists of two phases: biodegradability tests using 3D-printed polylactic acid-based conductive fillers (PLA/Carbon Black and PLA/Graphene) and semi-continuous assays integrating an external BES into the AD process. …”
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Design and Experimental Characterization of Developed Human Knee Joint Exoskeleton Prototypes by Michał Olinski

“…Both devices are built from 3D-printed parts and their characteristics are determined experimentally. …”
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