The advance of 3D-printing technology over the last decade makes additive manufacturing not only attractive for rapid prototyping, but also provides it as a trendsetting approach to realize conventional as well as sophisticated functional microwave and millimeter-wave passive components. It has proven its ability to replicate conventional waveguides with a comparable electrical performance [1] . In this way, low-cost, lightweight waveguides with customized dimensions and shapes are realizable. Moreover, 3D printing enables the implementation of unconventional complex-shaped waveguide components, such as filters [2] , [3] , interconnects, or antennas [4] , whose design is restricted by the engineer’s creativity rather than by limitations of conventional fabrication techniques.

中文翻译：

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打印！地方！ Perform!：增材制造的 X 波段表面贴装带通滤波器

过去十年中 3D 打印技术的进步使增材制造不仅对快速原型制造具有吸引力，而且还使其成为实现传统以及复杂的功能性微波和毫米波无源元件的引领趋势的方法。它已证明能够复制具有可比电气性能的传统波导[1] 。通过这种方式，可以实现具有定制尺寸和形状的低成本、轻质波导。此外，3D打印可以实现非常规复杂形状的波导组件，例如滤波器[2] ,[3] 、互连件或天线[4] ，其设计受到工程师创造力的限制，而不是传统制造技术的限制。