HARIS // ENGINEERING

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AVAILABLE FOR FREELANCE CONTRACTS // Q3-Q4 2026

EngineeringIdeasIntoReality

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Bridging industrial precision and high-performance mechanical design. Delivering production-ready SolidWorks models, GD&T drawings, and structural FEA simulations for top-tier product innovators.

ASME Y14.5GD&T Standards
SolidWorks / CATIAPrimary CAD Stack
ANSYS FEAStress & Thermal
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01 // BACKGROUND & BIOGRAPHY

Engineering Precision & Craft

Haris Mechanical Engineer Portrait
SUBJECT: HARISCAD_VER: 2026.4
STATUS: VERIFIED CAD / FEA CONSULTANT
I am a

With over 3 years of hands-on mechanical design experience, I specialize in taking complex hardware concepts from initial nap-kin sketches to mass-manufacturable assemblies. My work spans high-throughput industrial machinery, carbon fiber aerospace components, and IP67 medical device enclosures.

I place uncompromising value on ASME Y14.5 GD&T compliance, structural integrity through ANSYS FEA simulations, and seamless Design for Manufacturing (DFM) so your tooling partners hit the ground running with zero ambiguity.

100% ASME Y14.5 GD&T Standard
First-Pass Mold & Machining Yield
Complex Class-A Surface Lofts
NDA & IP Security Guarantee

Career & Education Milestone Log

TIMELINE_TRACK // 2020 - 2026

2025 - PRESENTHaris CAD & Engineering Solutions

Principal Freelance Mechanical Design Engineer

Delivering high-precision 3D CAD modeling, DFM/DFA consulting, FEA simulations, and production-ready manufacturing drawings for industrial and hardware clients globally.

2025 - PRESENTNational University of Sciences and Technology (NUST), Islamabad

Master of Science (MS) — Design & Manufacturing Engineering

Ongoing advanced postgraduate studies focusing on modern manufacturing systems, computational mechanics, CAD/CAM integration, and advanced product development.

OCT 2024 - NOV 2025MANCAD

Mechanical Design Engineer

Spearheaded end-to-end mechanical design projects, 3D parametric CAD modeling, DFM/DFA optimization, tooling integration, and fabrication-ready 2D manufacturing drawings.

AUG 2023 - SEP 2023Mirage Rebuild Factory (MRF) — Pakistan Aeronautical Complex (PAC), Kamra

Engineering Intern — Aircraft Design & Overhauling

Hands-on exposure to aircraft structural design, precision aeromechanical manufacturing processes, airframe maintenance, component overhauling, and strict aerospace quality inspection standards.

2020 - 2024National University of Technology (NUTECH)

Bachelor of Science (BS) — Mechanical Engineering

Graduated with comprehensive foundations in Machine Design, Solid Mechanics, CAD/CAM Modeling, Thermodynamics, and Fluid Dynamics. Engineered and fabricated a full-scale Solar Parabolic Trough Concentrator & hydronic heating system as BS Final Year Capstone Project.

0+Projects Completed
0 YrsYears CAD Experience
0%Client Satisfaction
0 SectorsIndustries Served
02 // SERVICES & SPECIALIZED EXPERTISE

Engineering Capabilities & Services

15 specialized mechanical services covering end-to-end design, DFM/DFA, CAD modeling, and GD&T drafting.

Manufacturing & DFA

Design for Manufacturing (DFM)

Optimizing mechanical parts for CNC machining, injection molding, sheet metal, and casting to ensure high yield and low production costs.

CNC Machining Optimization
Injection Mold Draft & Wall Analysis
Sheet Metal Bend Deductions
Tooling Access Verification
Manufacturing & DFA

Design for Assembly (DFA)

Streamlining assembly workflows, reducing hardware count, eliminating mating errors, and designing Poka-Yoke mechanical interfaces.

Fastener Reduction
Poka-Yoke Mistake-Proofing
Modular Sub-Assemblies
Line Ergonomics Optimization
Engineering & R&D

Mechanical Engineering

Full-spectrum mechanical system engineering, load calculations, kinetic linkage calculations, and structural stress analysis.

Solid Mechanics Calculations
Kinematic Linkage Design
Material Selection & Costing
Load & Stress Distribution
Design & Modeling

Product Design & Development

End-to-end hardware product creation from initial sketch concepts to functional 3D printed and CNC machined production models.

Industrial Ergonomics
Electronics Enclosure Design
Turnkey Concepting
Material & Finish Selection
Design & Modeling

3D CAD Modeling

High-precision parametric solid and Class-A surface modeling in SolidWorks and Fusion 360 with strict tree organization.

Parametric Solid & Surfacing
Large Assembly Management
Model-Based Definition (MBD)
Clean Parametric Trees
Design & Modeling

Prototyping

Rapid physical prototype development using SLA/FDM 3D printing and CNC machining to validate mechanical fit and function.

Rapid 3D Printing (SLA/FDM)
Functional CNC Prototypes
Fit & Interference Verification
Soft Tooling Validation
Design & Modeling

Reverse Engineering

Reconstructing precise, editable parametric 3D CAD models from physical parts, teardowns, and CMM measurement data.

Parametric Model Recovery
Physical Part Teardowns
Tolerance Back-Engineering
Legacy CAD Digitization
Drafting & GD&T

2D Design & Drawing

Production-grade 2D mechanical engineering layouts, electrical schematics, and detail drawings adhering to international standards.

AutoCAD 2D Layouts
Mechanical Schematics
Detail Component Drafting
ISO & ASME Standards
Drafting & GD&T

Manufacturing Drawings

Factory-ready engineering drawings complete with precise machining tolerances, surface finishes, weld symbols, and title blocks.

CNC Production Prints
Surface Finish Callouts
Weldment Symbols
Shop-Floor Ready Specs
Drafting & GD&T

Geometric Dimensioning & Tolerancing (GD&T)

Strict ASME Y14.5 compliant dimensioning, defining precise datum reference frames, geometric controls, and tolerance stackups.

ASME Y14.5 Compliance
Datum Reference Frames
Tolerance Stackup Analysis
Feature Control Frames
Drafting & GD&T

Bill of Materials (BOM) Generation

Structured multi-level BOM creation, part numbering systems, raw material callouts, and off-the-shelf hardware sourcing lists.

Multi-Level Assemblies
COTS Hardware Sourcing
ERP-Ready Exporting
Part Numbering Schemes
Engineering & R&D

Research & Development

Frontier mechanical R&D, proof-of-concept validation, technology feasibility studies, and novel mechanism design.

Proof-of-Concept Prototypes
Mechanism Feasibility
Material R&D
Novel Hardware Solutions
Drafting & GD&T

Technical Writing

Comprehensive engineering documentation, operating & maintenance manuals, DFM reports, and technical patent illustrations.

DFM Audit Reports
User Manuals & SOPs
Assembly Guides
Patent Technical Drawings
Design & Modeling

Scanned Part to 3D Modeling

Transforming 3D laser scan mesh data and dense point clouds into editable, feature-based parametric solid CAD models.

3D Scan Mesh Conversion
Point Cloud Retopology
Surface Fitting to Mesh
Solid CAD Reconstruction
Engineering & R&D

Mechanical Functional Design (MFD)

Performance-driven functional engineering optimizing load paths, dynamic linkages, torque delivery, and structural reliability.

Functional Linkages
Structural Load Path Design
Motion & Torque Dynamics
High-Cycle Reliability
03 // PORTFOLIO CASE STUDIES

Featured Engineering Work

1500mm Low-Cost Industrial Belt Conveyor System
FEATURED CAD SPECS & METRICS
Conveyor Length:1500 mm Effective Span
Primary CAD Software:SolidWorks Premium 2023
Design Requirement:Low-Cost Manufacturing & DFM
Key Deliverables:3D CAD Assembly, Motion Simulation & Production Drawings
DFM & ManufacturingCASE_ID // 01

1500mm Low-Cost Industrial Belt Conveyor System

Manufacturing-ready 1500mm belt conveyor designed for low-cost production to meet demanding industrial transport requirements.

KEY CHALLENGE SOLVED:
The client needed a highly cost-effective, manufacturing-ready 1500mm belt conveyor system that could be produced with minimal machining operations while maintaining high structural rigidity and continuous operational reliability.
SolidWorksCAD ModelingDesign SimulationDFM & AssemblyLow-Cost Manufacturing
Case Study
3D Printable Relief Keychain — 2D Image to 3D CAD
FEATURED CAD SPECS & METRICS
Primary CAD:SolidWorks Premium 2025
Input Source:2D Concept Image to 3D CAD
Deliverables:High-Res STL, STEP, SLDPRT & 3D Print File
Print Technology:FDM / SLA / Resin 3D Printing Ready
CAD / 3D ModelingCASE_ID // 02

3D Printable Relief Keychain — 2D Image to 3D CAD

High-precision 3D printable emblem keychain generated from a 2D raster image with multi-layered bas-relief embossing and optimized STL mesh.

KEY CHALLENGE SOLVED:
Converting a flat 2D graphic image into a physically functional 3D printable object required establishing distinct depth hierarchies, preventing fragile overhangs, and ensuring delicate text and geometric reliefs withstand real-world keychain wear.
Printable 3D Models3D ModelingSolidWorksSTL3D Printing
Case Study
Solar Parabolic Trough Concentrator — Domestic Thermal Heating System
FEATURED CAD SPECS & METRICS
Aperture & Geometry:1800mm Span x 900mm Focal Depth
Focal Receiver Tube:High-Conductivity Copper Absorber Pipe (Ø 22mm)
Thermal Efficiency:64.8% Peak Solar-to-Thermal Conversion
Working Fluid:Water-Glycol Closed Hydronic Loop
CAD MODEL + FABRICATED PROTOTYPE
Thermal & Energy SystemsBS Final Year Project (NUTECH)CASE_ID // 03

Solar Parabolic Trough Concentrator — Domestic Thermal Heating System

High-efficiency concentrated solar thermal collector featuring a parabolic reflector trough, focal copper absorber tube, structural A-frame chassis, and hydronic heat exchanger for domestic residential heating.

KEY CHALLENGE SOLVED:
Engineering a cost-effective, high-concentration parabolic trough required calculating precise parabolic curvature geometry to maximize optical intercept factor on the focal copper tube, ensuring structural frame stability against outdoor wind loads, and maintaining consistent thermal dissipation through an indoor radiator without fluid boiling or pressure drop.
SolidWorks3D Design & CADStructural AnalysisThermodynamicsCFD AnalysisThermal FEAPhysical Fabrication
Case Study
Industrial Conveyor Bracket Redesign
FEATURED CAD SPECS & METRICS
Material:7075-T6 Aerospace Aluminum
Yield Strength:503 MPa
Weight Reduction:38.4% (from 4.2kg to 2.58kg)
Max Load Capacity:18.5 kN Dynamic
DFM & ManufacturingCASE_ID // 04

Industrial Conveyor Bracket Redesign

Topology-optimized mounting bracket for high-throughput automotive assembly conveyors, yielding 38% mass reduction while preserving torsional rigidity.

KEY CHALLENGE SOLVED:
The legacy cast-iron conveyor bracket experienced cyclic fatigue failure after 85,000 cycles under asymmetric dynamic loads, causing unplanned assembly line down time.
SolidWorksANSYS WorkbenchGD&T (ASME Y14.5)Sheet Metal Design
Case Study
Custom Drone Frame — Carbon Fiber Optimization
FEATURED CAD SPECS & METRICS
Material Stack:Toray T800 3K Carbon Fiber Prepreg
Torsional Stiffness:482 Nm/deg
Total Frame Mass:312 grams
First Natural Freq:184 Hz (decoupled from 120Hz motor peak)
FEA SimulationCASE_ID // 05

Custom Drone Frame — Carbon Fiber Optimization

Ultra-rigid modal-tuned quadcopter chassis designed for high-G cinematic payloads with active dynamic vibration damping.

KEY CHALLENGE SOLVED:
Excessive frame vibration induced video jello and autopilot IMU sensor noise, limiting max flight velocity to under 45 km/h.
CATIA V5ANSYS Composite PrepPostSolidWorks SimulationComposite Layup
Case Study
High-Pressure Hydraulic Clamping System
FEATURED CAD SPECS & METRICS
Operating Pressure:350 Bar (5,076 PSI)
Clamping Force:42 kN per cylinder
Stroke Length:25 mm Precision Stroke
Repeatability:±0.003 mm
CAD / 3D ModelingCASE_ID // 06

High-Pressure Hydraulic Clamping System

Precision 350-bar hydraulic clamping fixture with embedded position sensors for automated CNC machining centers.

KEY CHALLENGE SOLVED:
External hydraulic hoses were vulnerable to flying CNC aluminum chips, causing fluid leaks and fixture reload downtime every few days.
SolidWorks MBDAutoCAD FluidHydraulic SimulationGD&T
Case Study
Ergonomic Medical Device Housing Prototype
FEATURED CAD SPECS & METRICS
Rating:IP67 Dust & Water Proof
Materials:SABIC Lexan Polycarbonate + Bayblend TPU
Drop Rating:2.0 Meter Concrete Drop Survival
Wall Thickness:2.2 mm Uniform with Mold Draft Angles
Product DesignCASE_ID // 07

Ergonomic Medical Device Housing Prototype

IP67 sealed, drop-tested diagnostic device enclosure featuring dual-shot TPU overmolding and snap-fit battery access.

KEY CHALLENGE SOLVED:
The device needed to survive a 2-meter fall onto concrete while remaining completely sealed against liquid sterilizers.
SolidWorks PlasticsRhino 3DKeyshot 11Injection Molding DFM
Case Study
Automated Robotic Arm End-Effector Gripper
FEATURED CAD SPECS & METRICS
Payload Range:10g to 4.5kg Dynamic
Grip Time:45 milliseconds
Sensor Tech:Strain-gauge Force & Optoelectronic Sensors
Weight:640 grams total
RoboticsCASE_ID // 08

Automated Robotic Arm End-Effector Gripper

High-speed 3-jaw adaptive robot end-effector with force feedback sensing for delicate electronics packaging.

KEY CHALLENGE SOLVED:
Legacy grippers caused micro-fractures in fragile semiconductor wafers during pick-and-place at acceleration forces > 3G.
Fusion 360SolidWorksANSYS Rigid DynamicsGD&T
Case Study
High-Speed Turbomachinery Impeller
FEATURED CAD SPECS & METRICS
Max Rotational Speed:85,000 RPM
Tip Speed:540 m/s (Supersonic)
Material:Titanium Ti-6Al-4V Grade 5
Pressure Ratio:4.2:1 Single Stage
CAD / 3D ModelingCASE_ID // 09

High-Speed Turbomachinery Impeller

5-axis CNC titanium compressor impeller designed for 85,000 RPM operation with optimized CFD blade profile lofts.

KEY CHALLENGE SOLVED:
High centrifugal forces at 85,000 RPM caused blade tip elongation and housing rubbing.
CATIA V5 TurbomachineryANSYS BladeGenCFD Flow-3D5-Axis CNC
Case Study
04 // SOFTWARE PROFICIENCY & TOOLKIT

Engineering Skills & Software Suite

Industry-leading CAD, rendering, 2D drafting, and FEA simulation software suite.

Core Engineering Competencies

DFM / DFA / GD&T / MFD / REVERSE ENGINEERING
Geometric Dimensioning & Tolerancing (GD&T ASME Y14.5)98%
Design for Manufacturing & Assembly (DFM / DFA)96%
3D Parametric CAD (SolidWorks & Fusion 360)97%
Mechanical Functional Design (MFD)95%
Scanned Part to 3D Modeling & Reverse Engineering94%
Manufacturing Drawings & BOM Generation96%
Structural & Thermal FEA Analysis (ANSYS)92%
Full compliance with ASME Y14.5, ISO GD&T, and DFM guidelines

Software Proficiency

HIGH PROFICIENCY IN INDUSTRY-LEADING TOOLS
SolidWorks
Primary 3D CAD

Expert 3D Parametric, Assembly & Weldment Modeling

STATUS: EXPERT100% PROFICIENT
KeyShot
Rendering

Photorealistic Studio Rendering & Visual Animations

STATUS: EXPERT100% PROFICIENT
SolidWorks Visualize
CAD Visualization

High-End Raytraced Renderings & Animation Output

STATUS: EXPERT100% PROFICIENT
AutoCAD
2D CAD & Drafting

Precision 2D Engineering Layouts & Schematics

STATUS: EXPERT100% PROFICIENT
Fusion 360
Cloud CAD / CAM

Generative Design, 3D Modeling & CNC Toolpaths

STATUS: EXPERT100% PROFICIENT
ANSYS
FEA Simulation

Structural Stress, Dynamic Fatigue & Modal FEA

STATUS: EXPERT100% PROFICIENT
6/6 Industry Software MasteredSolidWorks · KeyShot · ANSYS · Fusion 360 · AutoCAD
05 // ENDORSEMENTS & FEEDBACK

Client Voices & Endorsements

"Haris's CAD work is executed with surgical precision. He delivered our complex hydraulic manifold 4 days ahead of schedule, with flawless GD&T drawings that went straight into CNC production."

M

Marcus Vance

VP of Manufacturing Engineering · AeroLine Automation

"Working with Haris felt like having a principal design engineer from NASA on our team. His FEA stress analysis saved our drone frame design from a multi-thousand dollar failure."

E

Elena Rostova

Lead Systems Architect · SkyeAero Dynamics

"Haris has a rare combination of industrial design aesthetics and hardcore mechanical engineering. The plastic enclosure he engineered passed IP67 water immersion tests on the first attempt."

D

Dr. Sarah Lin

Chief Product Officer · BioSense Systems

"Outstanding DFM expertise. Haris optimized our 5-axis titanium impeller geometry, reducing machining cycle time by 28% without sacrificing aerodynamic efficiency."

D

David Chen

Director of Tooling · PrecisionMach Global

"Haris's CAD work is executed with surgical precision. He delivered our complex hydraulic manifold 4 days ahead of schedule, with flawless GD&T drawings that went straight into CNC production."

M

Marcus Vance

VP of Manufacturing Engineering · AeroLine Automation

"Working with Haris felt like having a principal design engineer from NASA on our team. His FEA stress analysis saved our drone frame design from a multi-thousand dollar failure."

E

Elena Rostova

Lead Systems Architect · SkyeAero Dynamics

"Haris has a rare combination of industrial design aesthetics and hardcore mechanical engineering. The plastic enclosure he engineered passed IP67 water immersion tests on the first attempt."

D

Dr. Sarah Lin

Chief Product Officer · BioSense Systems

"Outstanding DFM expertise. Haris optimized our 5-axis titanium impeller geometry, reducing machining cycle time by 28% without sacrificing aerodynamic efficiency."

D

David Chen

Director of Tooling · PrecisionMach Global
06 // INITIATE CONSULTATION

Let's Build Something Together

Direct Communication Channels

PHONE & WHATSAPP:+44 7700 900123
LINKEDIN PROFESSIONAL:linkedin.com/in/haris-cad-eng
AVAILABLE WORLDWIDE // REMOTE CONTRACTSBased in London, UK · Operating in UTC, EST & PST Timezones