Search Results

We propose an inverse curvature design method for programmable textiles, i.e., self-morphing structures that combine a pre-stretched fabric and elastic rods in a planar state. Specifically, we target a class of structures consisting of a quadrangular ...

For heat-triggered shape-changing 3D prints, active and restrictive segments need to be 3D printed next to each other to obtain the desired morphing of an object. Current single-material methods rely on locally controlling the orientation of the ...

• Fabrication of variable stiffness joint via 4D printing.
• Simulation and ...

Nowadays, a wide range of robots are used in various fields, from car factories to assistant soft robots. In all these applications, effective control of the robot is vital to perform the tasks assigned to them. Soft robots and ...

Display Omitted

Based on the three-dimensional deformation of scoliosis and transverse misalignment, the study investigates the clinical application and computational method evaluation of 4D printed scoliosis rehabilitation devices, based on RHINO software with ...

We propose Inkjet 4D Print, a self-folding fabrication method of 3D origami tessellations by printing 2D patterns on both sides of a heat-shrinkable base sheet, using a commercialized inkjet ultraviolet (UV) printer. Compared to the previous folding-...

The integration of 3D printing with smart materials in 4D printing technology has attracted extensive research attention due to its capability of endowing static printed structures with dynamic behaviors and actions that evolve over time. One such ...

In recent years, 4D printing is of continuous interest and attention in the field of Human-Computer Interaction. However, the advanced settings and complex g-code controls are still raising barriers for newcomers. 3D printing pen, in contrast, provides ...

4D printing encodes transformability over time, which empowers users to create artifacts by on-demand deformation. The creative process of 4D printing shape-changing artifacts can be challenging because of its discontinuous fabrication steps, such as ...

4D printing refers to a breakthrough technology combining additive manufacturing (AM) and smart materials (SMs) under the effect of an energy stimulation. From the numerous experiments proposed in the literature, which highlight the broad ...

• Knowledge recommendation approach in design with semantic similarity vector space model.
• Recommendation of materials distribution in a 3D design space to achieve a desired shape change.
• Development of a CAD plugin able to provide ...

The advantages of additive manufacturing technology combined with recent research in material sciences has led to the development of programmable matter- objects that can change their form or function or both in a pre-decided manner based on the user ...

The unique behaviors of thermoplastic polymers enable shape-changing interfaces made of 3D printed objects that do not require complex electronics integration. While existing techniques rely on external trigger, such as heat, applied globally on a 3D ...

Four-dimensional (4D) printing has gained considerable attention since its conception in 2013. It was made possible by interdisciplinary studies and the rapid expansion of smart materials, three-dimensional (3D) printers, and designs. ...

4D printing is a new technique for human-computer interaction to create self bending and actuating interfaces, leveraging the properties of 3D printed materials for shape change over time, triggered by external factors such as heat. Given the ubiquity ...

4D printing technology, as a new generation of Additive Manufacturing methods, enables printed objects to further change their shapes or other properties upon external stimuli. One main category of 4D printing research is 4D printed ...

Display Omitted

• Optimal control for better precision and time response of 4D printed shape morphing.

4D printing thermoplastic technology has become a common method for fabricating shape-changing interfaces, however, the fully automated 3D printing method also limits user's creative participation in the fabrication process. We present a 4D Doodling ...

Semi-rigid and rigid structures have been utilized in many on-body applications including musculoskeletal support (e.g., braces and splints). However, most of these support structures are not very compliant, so effortless custom fitting becomes a unique ...

3D printing technology makes Do-It-Yourself and reforming everyday objects a reality. However, designing and fabricating attachments that can seamlessly adapt existing objects to extended functionality is a laborious process, which requires accurate ...

Manufacturing nonplanar electronics often requires the integration of functions and forms through embedding circuit boards into three-dimensional (3D) shapes. While most popular solutions rely on cavities where electronics reside in forms of rigid ...

4D printing encodes self-actuating deformation during the printing process, such that objects can be fabricated flat and then transformed into target 3D shapes. While many flattening algorithms have been introduced for 4D printing, a general method ...

Four-dimensional (4D) printing, a new technology emerged from additive manufacturing (3D printing), is widely known for its capability of programming post-fabrication shape-changing into artifacts. Fused deposition modeling (FDM)-based ...

Display Omitted

• A novel workflow is proposed for forward design, with accurate material property characterization and precise FEA simulation. This workflow supports robust ...