研究

MIT researchers 3D print color-changing objects that morph based on the viewpoint

内部人士和分析师预测,在我们最新的一系列文章中观看的3D打印趋势,重点是3D打印的未来

研究ers from theMassachusetts Institute of Technology(麻省理工学院)开发了一种新的3D打印对象的方法,该方法会根据查看的角度而改变外观。

The approach paves the way for ‘programmable objects’ with morphing images, a visual feature that’s largely been limited to flat 2D surfaces until now. The team believes its work can drastically change the way people view product design, with everyday 3D printed objects potentially containing hundreds of different colors and patterns depending on how they’re viewed.

自然,这项作品也可能对艺术产生重大影响,从而实现了新颖的时装设计和雕塑,从而传达了不同方面的不同美学。

“Our work opens up the idea of what a physical object can be,” says Yunyi Zhu, an MIT graduate student and co-first author of the paper. “It’s part of a larger vision for making dynamic objects that change their appearance, color pattern, and shape. We address appearance, which is one dimension of the concept of reprogrammable objects.”

3D打印的AirPod盒,具有五种不同的颜色组合。通过麻省理工学院的照片。
3D打印的AirPod盒,具有五种不同的颜色组合。通过麻省理工学院的照片。

3D打印凸膜对象

那么它是怎样工作的?这个想法的新颖性在于它使用3D打印的凸耳镜头,这是微小的镜头,可以放大放置在其顶部的材料的颜色。根据它们在观察处的角度,凸耳镜头可以衍射并投射它们覆盖的图像或图案的不同区域。麻省理工学院的团队设法在一角钱的表面上安装了其中六个镜头。

通过3D打印镜头(以及镜头下方的弯曲的,图案的表面),可以创建整个3D透镜显示器,该显示统称根据视图而变化的图像。

根据朱的说法,该项目最大的挑战是微调印刷镜头的大小。较小的镜头提供更好的分辨率,但也倾向于有更多的缺陷,从而导致图像质量较低。该团队最终以3mm的镜头直径定居,因为这是最佳选择。

Various printing orientations and post-processing techniques were also put to the test in a bid to maximize color transmission. The best results were yielded by upwards-facing lenses that were treated with painting varnish.

带有3D打印表面的壶铃,可告诉用户如何正确固定它。通过麻省理工学院的图像。
带有3D打印表面的壶铃,可告诉用户如何正确固定它。通过麻省理工学院的图像。

A free lenticular object design tool

To complement the 3D printing technique, the MIT researchers also developed a free editing software allowing users to design and build their own lenticular objects. To use the tool, users simply upload a 3D model and the desired patterns or images for the surface of the object. The software then automatically calculates the lens placement and patterning that will achieve the desired results. The part, images, and lenses can all be 3D printed in one go.

To demonstrate the lenticular 3D printing method, the team has already printed a number of prototypes. This includes an exercise kettlebell that shows the user whether or not they are holding it correctly, a bedside lampshade that displays ‘Good Day’ or ‘Good Night’ depending on the viewing angle, an AirPod case that shimmers, and a shoe that shows a friendly message exclusively to the wearer.

该项目的更多详细信息可以在标题为“‘Lenticular Objects: 3D Printed Objects with Lenticular Lens Surfaces That Can Change their Appearance Depending on the Viewpoint’

多年来,麻省理工学院的非凡思想一直是3D印刷创新的来源。就在本月,大学的研究人员开发了一种新的无形方法embedding information into physical objects using 3D printing technology。该概念称为“ InfraredTags”,这全都是关于将IR可读条形码和QR码嵌入3D打印零件的内部。这些标签仅对专用的红外传感器可见,设计为肉眼看不见。

MIT researchers have also developed amethod of 3D printing objects that can sense user interaction。新颖的是,这些物体是由单个材料(或超材料,更精确)打印的3D,并且电极传感器集成到材料结构本身中。因此,印刷结构能够检测到状态的各种变化,包括施加的力和旋转。

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特色图像显示了一个带有3D打印表面的壶铃,该水壶告诉用户如何正确固定它。通过麻省理工学院的图像。