Sustainability
Polytechnica NOVA Finalist
Personal Project

RePlastics Upcycling Hub

Transforming Campus Plastic Waste into High-Quality 3D Printing Filament

March 2025 - May 2025
University Recognition
RePlastics Upcycling Hub - 3D Printing Setup
Project Overview

The RePlastics Upcycling Hub represents a groundbreaking approach to sustainable manufacturing on university campuses. This innovative project addresses the growing concern of plastic waste by developing a comprehensive system that transforms discarded plastic bottles into high-quality 3D printing filament.

The project was conceived as part of my commitment to environmental sustainability and circular economy principles. By creating a closed-loop system within the campus environment, we not only reduce plastic waste but also provide a cost-effective source of 3D printing materials for educational and research purposes.

Technical Implementation

Design and Analysis

Using Siemens NX, I designed and analyzed the equipment necessary for the plastic processing system. This included creating detailed 3D models of the shredding mechanism, heating elements, and extrusion system. The CAD software allowed for precise dimensional analysis and structural integrity validation.

Shredding System

Designed multi-blade shredding mechanism for consistent plastic particle size

Extrusion Unit

Optimized heating and cooling zones for uniform filament diameter

Process Optimization

MATLAB was instrumental in developing the process control algorithms and optimizing the temperature profiles for different plastic types. The simulation models helped predict material flow rates and quality parameters, ensuring consistent filament production.

Quality Control

Implemented comprehensive quality control measures including diameter monitoring, tensile strength testing, and color consistency verification. The system maintains filament diameter within ±0.05mm tolerance, meeting industry standards for 3D printing applications.

Results and Impact

Environmental Impact

Waste Reduction Achievement

85%

Reduction in plastic bottle waste from campus facilities

Production Efficiency

Filament Quality Standard

95%

Filament quality meeting industry 3D printing standards

Recognition and Awards

Polytechnica NOVA Competition Finalist
3rd Edition - Science and Technology (2025)

Selected as a finalist in the prestigious Polytechnica NOVA competition, recognizing the project's innovation in sustainable manufacturing and its potential for widespread implementation across educational institutions.

"Recognized with a diploma by the University Rector for outstanding contribution to sustainable engineering solutions and environmental stewardship."

Future Development

The success of the RePlastics Upcycling Hub has opened doors for several exciting future developments:

  • Scalability Study: Investigating the potential for implementing similar systems across multiple university campuses
  • Material Expansion: Exploring the processing of additional plastic types and composite materials
  • Automation Integration: Developing automated sorting and processing systems using machine learning algorithms
Project Details
Duration
3 months
Type
Personal Project
Status
Completed
Recognition
Competition Finalist
Technologies Used
Siemens NX
MATLAB
CAD Design
Process Optimization
Quality Control
Key Metrics
85%
Waste Reduction
95%
Quality Standard
±0.05mm
Diameter Tolerance
Interested in This Project?

Want to learn more about sustainable manufacturing solutions or discuss potential collaborations?