3D Modeling Projects
This portfolio showcases various 3D modeling and design projects created using SolidWorks, focusing on practical solutions for everyday problems and custom fabrication. All parts were designed for 3D printing or CNC machining, demonstrating skills in CAD modeling, mechanical design, and manufacturing considerations.
Overview
As an engineering student with a passion for practical problem-solving, I’ve developed multiple 3D models for personal and professional applications. Each project addresses a specific need, from organizing equipment to creating custom mounting solutions. The designs emphasize functionality, manufacturability, and aesthetic appeal.
Software Used: SolidWorks (SLDPRT, SLDASM formats)
Export Formats: STEP, IGES for manufacturing compatibility
Manufacturing Methods: 3D printing (FDM, SLA), CNC machining
Project Portfolio
1. Katana Display Stand (Support Katana)
Purpose: Custom display stand for Japanese katana swords with decorative One Piece Jolly Roger emblem.
Technical Details:
- Components:
- Left and right support brackets
- Central katana holder
- Decorative Jolly Roger plate
- Assembly file with all components
- Design Features:
- Stable base with balanced weight distribution
- Protective padding areas for blade
- Modular design for easy printing and assembly
- Aesthetic integration of anime-themed decoration
Files:
Support droit.SLDPRT- Right support bracketSupport gauche.SLDPRT- Left support bracketSupport Katana.SLDPRT- Main katana holderJolly roger One piece.SLDPRT- Decorative emblemAssemblage support.SLDASM- Complete assembly
Version 2 Improvements:
- Redesigned with increased spacing for larger katanas
- Optimized for CNC machining (IGES/STEP exports)
- Split into upper and lower sections for easier manufacturing
- Multiple width variants to accommodate different blade sizes
Challenges:
- Balancing structural strength with aesthetic design
- Ensuring stability for heavy swords
- Creating clean support surfaces that won’t damage blades
2. Rotary Selector Cap (Bouchon Sélecteur Rotatif)
Purpose: Replacement or custom cap for rotary selector switches on electronic equipment.
Technical Details:
- Iterations: 3 design versions (V1, V2, V3)
- Design Features:
- Precise internal geometry for switch shaft mounting
- Ergonomic grip pattern for easy rotation
- Standardized dimensions for compatibility
- Visual indicators for position marking
Files:
Bouchon sélecteur rotatif.SLDPRT- Original designBouchon sélecteur rotatif V2.SLDPRT- Improved gripBouchon sélecteur rotatif V3.SLDPRT- Final optimized version
Evolution:
- V1: Basic functional design
- V2: Enhanced ergonomics and grip texture
- V3: Refined aesthetics and manufacturing optimization
Applications:
- Audio equipment controls
- Industrial machinery interfaces
- Custom electronics projects
3. Heating Rack Bracket (Pièce Rack Chauffage)
Purpose: Custom mounting bracket for heating equipment rack system.
Technical Details:
- Iterations: 10 design versions showing iterative refinement
- Design Considerations:
- Load-bearing capacity for heavy equipment
- Mounting hole patterns for standard rack systems
- Thermal expansion considerations
- Vibration resistance
Files: Multiple versions from V1 to V10, showing design evolution
Design Process:
- Initial concept and basic geometry (V1-V3)
- Structural analysis and reinforcement (V4-V6)
- Manufacturing optimization (V7-V9)
- Final production-ready design (V10)
Key Features:
- Adjustable mounting positions
- Cable management integration
- Compatibility with standard rack dimensions
- Robust construction for long-term reliability
4. CEC Badge Holder (Pièce Badge CEC)
Purpose: Custom badge holder or mounting piece for identification cards.
Technical Details:
- Versions: Multiple iterations for different mounting scenarios
- Design Features:
- Secure card retention mechanism
- Attachment points for lanyards or clips
- Protective edges to prevent card damage
- Compact profile for everyday carry
Files:
Piece CEC badge.SLDPRT- Standard badge holderPiece CEC der.SLDPRT- Variant design (last version)Piece CEC dev.SLDPRT- Development version
Use Cases:
- Professional identification
- Access control systems
- Conference and event badges
- School or corporate ID cards
5. EDF Industrial Part (Pièce-EDF)
Purpose: Custom component designed for industrial application (EDF - Électricité de France context).
Technical Details:
- Iterations: 3 versions showing professional refinement
- Design Approach:
- Industrial-grade specifications
- Precise tolerancing for manufacturing
- Material selection considerations
- Safety and compliance standards
Files:
Piece papa.SLDPRT- Initial designPiece papa V2.SLDPRT- Improved versionPiece papa V3.SLDPRT- Production-ready design
Engineering Considerations:
- Load analysis and stress testing
- Environmental resistance (temperature, humidity)
- Installation and maintenance accessibility
- Long-term durability requirements
6. Refrigerator Component (Frigo)
Purpose: Custom replacement or modification part for refrigerator assembly.
Technical Details:
- Functional part designed to solve specific refrigerator issue
- Precise dimensional requirements for proper fit
- Material considerations for food-safe environment
- Temperature resistance properties
File: Piece julien frigo.SLDPRT
Design Constraints:
- Food-safe materials (likely ABS or PETG for 3D printing)
- Temperature range compatibility (-20°C to +50°C)
- Easy installation without tools
- Durability for frequent use
Technical Skills Demonstrated
CAD Modeling
- Parametric Design: Using dimensions and constraints for flexible modifications
- Assembly Modeling: Creating multi-part assemblies with proper mates and relationships
- Surface Modeling: Complex geometries with aesthetic considerations
- Design for Manufacturing (DFM): Optimizing parts for 3D printing and CNC machining
Engineering Analysis
- Structural Considerations: Load-bearing capacity, stress distribution
- Tolerance Analysis: Ensuring proper fit and function
- Material Selection: Choosing appropriate materials for application
- Iterative Design: Multiple versions showing continuous improvement
File Management
- Format Conversion: SLDPRT to STEP/IGES for manufacturing
- Version Control: Systematic versioning (V1, V2, V3…)
- Documentation: Organized project structure and file naming
- Export Preparation: Manufacturing-ready formats for different processes
Manufacturing Knowledge
- 3D Printing: FDM printer constraints (overhangs, supports, layer orientation)
- CNC Machining: Tool access, minimum feature sizes, material removal
- Assembly: Fastener selection, tolerances for fit types
- Post-Processing: Finishing requirements and assembly procedures
Design Philosophy
Problem-Solving Approach
Each project begins with identifying a specific need or problem:
- Requirement Analysis: Understanding functional and aesthetic needs
- Conceptual Design: Sketching and brainstorming solutions
- 3D Modeling: Creating detailed CAD models
- Iteration: Testing and refining through multiple versions
- Manufacturing: Preparing for production (3D printing or machining)
- Validation: Testing final parts in real-world applications
Key Principles
- Functionality First: Design must solve the problem effectively
- Manufacturability: Parts must be practical to produce
- Aesthetics: Clean, professional appearance
- Durability: Long-term reliability and robustness
- Economy: Efficient use of materials and production time
Manufacturing Processes
3D Printing (FDM)
- Materials: PLA, PETG, ABS
- Layer Height: 0.1-0.3mm depending on application
- Infill: 15-80% based on structural requirements
- Support Strategy: Optimizing orientation to minimize supports
3D Printing (SLA)
- Applications: High-detail decorative parts (Jolly Roger)
- Resolution: 50-100 microns
- Materials: Standard and tough resins
- Post-Processing: Washing, curing, finishing
CNC Machining
- Materials: Aluminum, steel, plastics
- Export Format: STEP, IGES for CAM software
- Considerations: Tool paths, fixtures, tolerances
- Applications: High-strength industrial parts
Project Statistics
- Total Projects: 6 distinct applications
- Total Design Iterations: 30+ versions across all projects
- File Formats: SLDPRT (native), SLDASM (assembly), STEP, IGES (export)
- Software Proficiency: SolidWorks (CAD), Cura/PrusaSlicer (3D printing)
- Manufacturing Methods: FDM 3D printing, SLA printing, CNC machining
Future Projects
Planned Developments
- Parametric Design Library: Creating reusable components and templates
- Topology Optimization: Using generative design for weight reduction
- Multi-Material Assemblies: Combining printed and machined components
- IoT Integration: Designing enclosures for electronic projects
- Collaborative Projects: Open-source designs for community use
Skills to Develop
- Finite Element Analysis (FEA): Structural simulation and validation
- CFD Analysis: Thermal and fluid dynamics
- Rendering: Photorealistic visualizations
- Technical Documentation: Creating detailed manufacturing drawings
- CAM Integration: Direct machining workflow from CAD
Lessons Learned
Design Iteration is Essential
The heating rack bracket went through 10 versions, demonstrating that iteration is a natural and necessary part of good design. Each version incorporated feedback and addressed specific issues.
Manufacturing Constraints Drive Design
Designing for 3D printing requires different considerations than CNC machining. Understanding these constraints early saves time and material.
Documentation Matters
Proper file naming, version control, and organization are crucial when managing multiple projects and iterations.
Real-World Testing is Irreplaceable
CAD models can look perfect, but physical testing reveals issues that simulation might miss (fit, ergonomics, unexpected stresses).
Collaboration Improves Results
Several projects (refrigerator part, EDF component) were created for specific individuals, showing the importance of understanding user needs and gathering feedback.
Tools & Software
CAD Software:
- SolidWorks: Primary 3D modeling platform
- Export Formats: STEP, IGES for interoperability
3D Printing:
- Slicing Software: Cura, PrusaSlicer
- Printers: FDM and SLA technologies
Analysis (planned):
- SolidWorks Simulation: FEA for structural analysis
- Flow Simulation: Thermal and fluid analysis
Documentation:
- SolidWorks Composer: Assembly instructions
- Technical Drawings: 2D manufacturing drawings
Conclusion
This collection of 3D modeling projects demonstrates practical application of CAD skills to solve real-world problems. From decorative display stands to industrial components, each project required careful consideration of functionality, manufacturability, and aesthetics.
The iterative design process visible across multiple versions of each part shows a commitment to continuous improvement and refinement. As I continue developing my skills in mechanical design and manufacturing, I look forward to tackling more complex projects and expanding into areas like generative design, simulation, and multi-material assemblies.
Key Takeaway: Good design is an iterative process that balances form, function, and manufacturability while always keeping the end user’s needs in focus.