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3D Printing in Medicine
This book describes the fundamentals of three-dimensional (3D) printing, addresses the practical aspects of establishing a 3D printing service in a medical facility, and explains the enormous potential value of rendering images as 3D printed models capable of providing tactile feedback and tangible information on both anatomic and pathologic.
eBook
Adventures in letterpress
\"Tactile, retro, and idiosyncratic, hand-printed objects have an undeniable appeal, especially in a digital age. In recent years, the nearly obsolete craft of letterpress has been resurrected by artists and designers who have rescued cast-iron presses from basements and scrap yards. Adventures in Letterpress features over 200 examples of the resulting work: elegant cards, edgy broadsheets, and everything in between. Beautiful, humorous and sometimes just plain weird, the projects featured in the book perfectly illustrate the vibrant future of this once-endangered medium.\"--Publisher's description.
Book
The Book in the Renaissance
The dawn of print was a major turning point in the early modern world. It rescued ancient learning from obscurity, transformed knowledge of the natural and physical world, and brought the thrill of book ownership to the masses. But, as Andrew Pettegree reveals in this work of great historical merit, the story of the post-Gutenberg world was rather more complicated than we have often come to believe.
The Book in the Renaissancereconstructs the first 150 years of the world of print, exploring the complex web of religious, economic, and cultural concerns surrounding the printed word. From its very beginnings, the printed book had to straddle financial and religious imperatives, as well as the very different requirements and constraints of the many countries who embraced it, and, as Pettegree argues, the process was far from a runaway success. More than ideas, the success or failure of books depended upon patrons and markets, precarious strategies and the thwarting of piracy, and the ebb and flow of popular demand. Owing to his state-of-the-art and highly detailed research, Pettegree crafts an authoritative, lucid, and truly pioneering work of cultural history about a major development in the evolution of European society.
eBook
3D printing of conducting polymers
Conducting polymers are promising material candidates in diverse applications including energy storage, flexible electronics, and bioelectronics. However, the fabrication of conducting polymers has mostly relied on conventional approaches such as ink-jet printing, screen printing, and electron-beam lithography, whose limitations have hampered rapid innovations and broad applications of conducting polymers. Here we introduce a high-performance 3D printable conducting polymer ink based on poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) for 3D printing of conducting polymers. The resultant superior printability enables facile fabrication of conducting polymers into high resolution and high aspect ratio microstructures, which can be integrated with other materials such as insulating elastomers via multi-material 3D printing. The 3D-printed conducting polymers can also be converted into highly conductive and soft hydrogel microstructures. We further demonstrate fast and streamlined fabrications of various conducting polymer devices, such as a soft neural probe capable of in vivo single-unit recording.
Conducting polymers are promising materials for diverse applications but the fabrication of conducting polymers mostly relies on conventional fabrication techniques. Here the authors introduce a high performance 3D printable conducting polymer ink to take full advantage of advanced 3D printing.
Journal Article
On the Evolution of Additive Manufacturing (3D/4D Printing) Technologies: Materials, Applications, and Challenges
The scientific community is and has constantly been working to innovate and improve the available technologies in our use. In that effort, three-dimensional (3D) printing was developed that can construct 3D objects from a digital file. Three-dimensional printing, also known as additive manufacturing (AM), has seen tremendous growth over the last three decades, and in the last five years, its application has widened significantly. Three-dimensional printing technology has the potential to fill the gaps left by the limitations of the current manufacturing technologies, and it has further become exciting with the addition of a time dimension giving rise to the concept of four-dimensional (4D) printing, which essentially means that the structures created by 4D printing undergo a transformation over time under the influence of internal or external stimuli. The created objects are able to adapt to changing environmental variables such as moisture, temperature, light, pH value, etc. Since their introduction, 3D and 4D printing technologies have extensively been used in the healthcare, aerospace, construction, and fashion industries. Although 3D printing has a highly promising future, there are still a number of challenges that must be solved before the technology can advance. In this paper, we reviewed the recent advances in 3D and 4D printing technologies, the available and potential materials for use, and their current and potential future applications. The current and potential role of 3D printing in the imperative fight against COVID-19 is also discussed. Moreover, the major challenges and developments in overcoming those challenges are addressed. This document provides a cutting-edge review of the materials, applications, and challenges in 3D and 4D printing technologies.
Journal Article
Mathematical modelling and compensation strategies for printing dot gain
In contemporary printing processes, dot gain is a pivotal factor influencing print quality. This phenomenon, characterized by the loss of image details and the potential for chromatic aberration, poses significant challenges to enhancing print quality. Despite extensive research that has been conducted by numerous scholars on dot gain, effective control and correction of this phenomenon in practical printing operations remain an urgent concern. This study utilized newsprint, offset paper, and coated paper as research objects, and employed the least squares method and MATLAB tools to calculate dot gain compensation values through the “coordinate transformation method” and fit the compensation curve of dot gain. The novelty of this research lies in its development of an integrated mathematical modeling approach that combines least squares optimization with coordinate transformation, providing a computationally efficient alternative to traditional inverse function methods. The experimental results demonstrated that the compensation strategy was effective in the mid-tone and dark-tone areas, significantly enhancing printing accuracy and stability. However, in the bright tone area, further optimization of the compensation effect is necessary. The study proposes a dot gain compensation strategy based on the least squares method, providing the printing industry with new ideas and technical support for enhancing printing quality.
Journal Article