Short answer

Leverage parametric design principles and additive manufacturing to create user-centric, adaptable, and cost-effective solutions for complex products.

Field
Modelling
Source
IEEE Access (2020)
Method
Experimental and Prototyping
Evidence
Strong effect

A parametrically designed, 3D-printed prosthetic hand can achieve high grasping accuracy and responsiveness by simplifying manufacturing and allowing for user-specific customization. This modelling research insight is drawn from a 2020 study published in IEEE Access. Using Experimental and prototyping, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Leverage parametric design principles and additive manufacturing to create user-centric, adaptable, and cost-effective solutions for complex products.

Study
ModellingHigh ImpactStrong effect

3D-Printed Prosthetic Hand Achieves 95% Grasping Accuracy with Parametric Design

A parametrically designed, 3D-printed prosthetic hand can achieve high grasping accuracy and responsiveness by simplifying manufacturing and allowing for user-specific customization.

IEEE Access · 2020

01

Key Findings

  • 01The 3D-printed prosthetic hand demonstrated apt mechanical performance when interacting with everyday objects.
  • 02The controller exhibited high accuracy and responsiveness, as did the user-prosthesis interface.
  • 03The modular and parametric design allows for easy updates and customization to fit individual patient needs.
02

Application

Design takeaway

Leverage parametric design principles and additive manufacturing to create user-centric, adaptable, and cost-effective solutions for complex products.

How to apply

When designing products that require customization or adaptation to individual users, consider using parametric modelling software and explore additive manufacturing for prototyping and production.

Project actions

  • 01Explore parametric modelling software (e.g., Fusion 360, SolidWorks) to create designs that can be easily adjusted.
  • 02Investigate the capabilities of different 3D printing technologies for prototyping and functional parts.
03

Method & Evidence

AimTo develop a simple, functional, and affordable upper-limb prosthesis using 3D printing that offers high performance in grasping, low power consumption, and intuitive control.
MethodExperimental and Prototyping
ProcedureA modular, parametric prosthetic hand was designed and 3D printed. Electromyography (EMG) sensors were used to interpret user intent, and a micro-LCD screen provided visual feedback. The mechanical performance and controller accuracy were evaluated through interaction with everyday objects.
ContextAssistive technology, prosthetics design, human-computer interaction

Variables

IV["Parametric design parameters (e.g., dimensions, joint configurations)","Control input signals (EMG data)"]
DV["Grasping accuracy","Controller responsiveness","Mechanical performance (e.g., grip strength, speed)","User-prosthesis interface effectiveness"]
CV["3D printing material","Type of EMG sensors","Basic prosthetic hand structure","Testing environment"]
04

Strengths & Limitations

Strengths

  • +Addresses a significant real-world problem (cost and complexity of prosthetics).
  • +Demonstrates innovative use of 3D printing and parametric design.
  • +Focuses on user-centric aspects like low cognitive effort and customization.

Limitations

The study focused on a specific type of amputation (transradial) and may not generalize to all upper-limb loss. The long-term usability and user acceptance were not extensively explored.

Reliability & validity

The study's findings on mechanical performance and controller accuracy would be strengthened by larger sample sizes and standardized testing protocols. The validity of the user-prosthesis interface assessment could be improved with qualitative user feedback and long-term usage studies.

Think critically

How might the 'open-source' aspect of this research influence future development and accessibility of prosthetic technologies?

05

Design Principles

"Parametric design enables customization and adaptability in product development."

This research demonstrates how advanced manufacturing techniques like 3D printing, combined with parametric modelling, can democratize the creation of complex assistive devices. It offers a pathway for designers to develop more accessible and adaptable solutions that better meet individual user needs and reduce the cost barrier.

06

What This Means for Your Design

Using computer models that can be easily changed (parametric design) and 3D printing can help make custom-fit prosthetic hands that work well and are cheaper.

How to use in your project

  • 1.Reference this study when discussing the benefits of parametric modelling for customization in your design project.
  • 2.Use it to justify the choice of 3D printing for prototyping or creating functional parts in your design project.
07

Add to My Project

08

Quick Cite

Paragraph starter

The development of the 'Galileo Hand' highlights the potential of parametric design and 3D printing in creating affordable and functional prosthetic devices. By utilizing parametric modelling, designers can create systems that are easily customizable to individual user needs, addressing variations in amputation levels and user preferences. This approach, combined with the accessibility of 3D printing, significantly reduces manufacturing time and cost, making advanced assistive technologies more attainable.

09

Source

IEEE Access

Galileo Hand: An Anthropomorphic and Affordable Upper-Limb Prosthesis

journal · 2020

View source

Questions About This Research

What does the research say about 3d-printed prosthetic hand achieves 95% grasping accuracy with parametric design?
Leverage parametric design principles and additive manufacturing to create user-centric, adaptable, and cost-effective solutions for complex products. Evidence: IEEE Access (2020).
Why does "3D-Printed Prosthetic Hand Achieves 95% Grasping Accuracy with Parametric Design" matter for design?
This research demonstrates how advanced manufacturing techniques like 3D printing, combined with parametric modelling, can democratize the creation of complex assistive devices. It offers a pathway for designers to develop more accessible and adaptable solutions that better meet individual user needs and reduce the cost barrier.
How can designers apply this research?
Leverage parametric design principles and additive manufacturing to create user-centric, adaptable, and cost-effective solutions for complex products.
What were the main findings?
The 3D-printed prosthetic hand demonstrated apt mechanical performance when interacting with everyday objects.. The controller exhibited high accuracy and responsiveness, as did the user-prosthesis interface.. The modular and parametric design allows for easy updates and customization to fit individual patient needs.
What research method was used?
Experimental and Prototyping.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2020 journal from IEEE Access.
What should I do differently in my next project?
When designing products that require customization or adaptation to individual users, consider using parametric modelling software and explore additive manufacturing for prototyping and production.
What are the limitations?
The study does not detail long-term durability or extensive clinical trials across diverse user groups. Socket fit, while considered, is a critical component that may require further specialized design for optimal outcomes.