Ronnie O.
Mechanical Design & Reverse Engineering | SolidWorks / Fusion 360 | Scan-to-CAD | 3D Printing-Ready
Lagos,
Nigeria
Global rank:
3,054
/
150,037
Skill pts: 15
About
I'm a mechanical design professional who turns ideas, sketches, and physical parts into accurate, manufacturing-ready CAD. I work in, SolidWorks, Fusion 360, Inventor and deliver clean, well-organized files that your machinist, molder, or print service can use without rework.
WHAT I DO
1. Mechanical Design & 3D Modeling
Parametric part and assembly modeling with proper mates and design intent
Product and enclosure design, from concept sketch to production model
Sheet metal, weldment, and machined-part design
Plastic part design for injection molding (draft, ribs, bosses, snap-fits)
Cleanup, modification, and redesign of existing models
2. Reverse Engineering & Scan-to-CAD
Converting 3D scans, meshes, and point clouds (STL, OBJ, PLY) into editable CAD
Rebuilding parts from physical samples, photos, or measurements
Parametric reconstruction that preserves design intent, not just a dumb solid
Recreating obsolete or discontinued parts for repair and replacement
3. 3D Printing Design & Rapid Prototyping
Design for FDM, SLA, SLS, and other additive processes
Wall thickness, tolerance, orientation, and support considerations
STL/3MF/STEP preparation, mesh repair, and watertight checks
Functional prototypes and iterative design cycles
4. Documentation & Support
2D manufacturing drawings with dimensions and GD&T
Bills of materials, exploded views, and assembly documentation
Basic design-for-manufacturing (DFM) feedback
Photorealistic renders for presentations and product listings
DELIVERABLES
Native CAD files, STEP/IGES/Parasolid, STL/3MF, PDF/DXF drawings, BOM, and renders, depending on what your project needs.
HOW I WORK
1. Review: I study your files, references, and requirements before starting.
2. Clarify: I ask focused questions up front to avoid surprises later.
3. Model: I build to your specifications, tolerances, and manufacturing process.
4. Update: I share progress at agreed milestones so you can give feedback early.
5. Deliver: You receive organized, clearly labeled files, with revisions as per the agreed scope.
WHY CLIENTS WORK WITH ME
Accuracy first: I check dimensions against your inputs and flag anything that doesn't add up.
Manufacturing-minded: I design with the actual production process in mind.
Clear communication: prompt replies and honest timelines.
Confidentiality: I treat your designs and IP with care and respect any NDA terms set through the platform.
INDUSTRIES
Consumer Products, Industrial Equipment, Automotive, Electronics Enclosures, Medical Devices.
TO GET STARTED
Please share: your goal for the part or product, any reference files (CAD, scans, sketches, photos), key dimensions and tolerances, material and manufacturing process, and your deadline. I'll reply with any questions and a clear scope.
Let's build something precise and ready to make.
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WHAT I DO
1. Mechanical Design & 3D Modeling
Parametric part and assembly modeling with proper mates and design intent
Product and enclosure design, from concept sketch to production model
Sheet metal, weldment, and machined-part design
Plastic part design for injection molding (draft, ribs, bosses, snap-fits)
Cleanup, modification, and redesign of existing models
2. Reverse Engineering & Scan-to-CAD
Converting 3D scans, meshes, and point clouds (STL, OBJ, PLY) into editable CAD
Rebuilding parts from physical samples, photos, or measurements
Parametric reconstruction that preserves design intent, not just a dumb solid
Recreating obsolete or discontinued parts for repair and replacement
3. 3D Printing Design & Rapid Prototyping
Design for FDM, SLA, SLS, and other additive processes
Wall thickness, tolerance, orientation, and support considerations
STL/3MF/STEP preparation, mesh repair, and watertight checks
Functional prototypes and iterative design cycles
4. Documentation & Support
2D manufacturing drawings with dimensions and GD&T
Bills of materials, exploded views, and assembly documentation
Basic design-for-manufacturing (DFM) feedback
Photorealistic renders for presentations and product listings
DELIVERABLES
Native CAD files, STEP/IGES/Parasolid, STL/3MF, PDF/DXF drawings, BOM, and renders, depending on what your project needs.
HOW I WORK
1. Review: I study your files, references, and requirements before starting.
2. Clarify: I ask focused questions up front to avoid surprises later.
3. Model: I build to your specifications, tolerances, and manufacturing process.
4. Update: I share progress at agreed milestones so you can give feedback early.
5. Deliver: You receive organized, clearly labeled files, with revisions as per the agreed scope.
WHY CLIENTS WORK WITH ME
Accuracy first: I check dimensions against your inputs and flag anything that doesn't add up.
Manufacturing-minded: I design with the actual production process in mind.
Clear communication: prompt replies and honest timelines.
Confidentiality: I treat your designs and IP with care and respect any NDA terms set through the platform.
INDUSTRIES
Consumer Products, Industrial Equipment, Automotive, Electronics Enclosures, Medical Devices.
TO GET STARTED
Please share: your goal for the part or product, any reference files (CAD, scans, sketches, photos), key dimensions and tolerances, material and manufacturing process, and your deadline. I'll reply with any questions and a clear scope.
Let's build something precise and ready to make.
Design Entries
Experience
-
Mechanical Design and Product DesignMechanical Cad Designer
Self Employed · Self-employed
Jan 2024 –
Present
2 yrs 9 mos
Abuja, NigeriaKano, KN, Nigeria
I design mechanical parts, assemblies, and products in Solidworks, delivering manufacturing-ready 3D models and drawings for clients in Consumer Products, Industrial Equipment, and Electronics. My focus is design that is accurate on paper and practical to produce: validated early, documented clearly, and delivered in formats any manufacturer can open.
KEY RESPONSIBILITIES AND CONTRIBUTIONS
Parametric Modeling and Assemblies
Built parametric part and assembly models with organized feature trees, so clients could edit dimensions without rebuilding.
Checked fit, clearances, and interference in CAD before release to catch problems before manufacturing.
Product and Enclosure Design
Developed products from sketch or concept to production model, including housings with assembly and serviceability in mind.
Redesigned a desk organizer from 4 separate parts to 1 consolidated part, removing fasteners and cutting assembly steps.
Design for Manufacturing
Designed sheet metal, machined, and plastic parts around the chosen process (bend allowances, tool access, draft, wall thickness).
Adjusted designs for 3D printing when needed, including tolerances, orientation, and support considerations.
Early Design Validation
Reviewed designs against client requirements and loads to reduce revisions.
Documentation and Delivery
Produced 2D manufacturing drawings with dimensions, tolerances, and GD&T where required, plus BOMs and exploded views.
Delivered native files plus open formats (STEP, IGES) and PDF/DXF drawings, named and organized for immediate use.
Tracked revisions clearly so clients always knew which version was current.
Collaboration
Shared progress at agreed milestones and worked from client feedback, markups, and reference files.
Handled client files and IP confidentially, respecting NDA terms set through the platform.
SELECTED PROJECTS
- Electronics enclosure (personal project): designed a two-part housing with snap-fit closure and internal mounting bosses in Solidworks. Produced a full drawing package with dimensions, tolerances and BOM. Role: sole designer.
- Sheet Metal
- Assembly and Part Production
TOOLS AND STANDARDS
Software: Solidworks, Fusion360
Formats: Native CAD, STEP, IGES, Parasolid, STL/3MF, PDF, DXF
Key areas of work include:
Developing mechanical parts and assemblies from concepts, sketches, measurements, images, and reference files.
Creating accurate 3D CAD models with practical and organized geometry.
Reverse engineering existing components and recreating them as editable CAD models.
Modifying and updating existing CAD files based on new dimensions or design requirements.
Preparing detailed 2D technical and manufacturing drawings to clearly communicate design requirements.
Supporting product development from initial concept through CAD modeling, refinement, prototyping, and manufacturing preparation.
Reviewing designs with attention to dimensions, functionality, manufacturability, and project requirements.
Communicating with clients to understand specifications, provide updates, and incorporate feedback throughout the design process.
My focus is on delivering clean, practical CAD solutions that help move projects from concept or existing hardware toward a well-defined design ready for the next stage of development
Stats
0 followers, 0 following
Joined: August 19, 2026
Last seen: October 5, 2026
Area of Expertise
3D Printing Design
3D Modeling
General CAD Drafting
Industrial Design Services
Concept Design
Internet of Things (IoT)
SolidWorks Design Services
AutoCAD Drafting & Design
Part-to-CAD Modeling
Rapid Prototyping Services
Assembly Drawing Services
Assembly Modeling Services
Revit Conversion Services
Paper to CAD Conversion
Mechanical CAD Design
Design for Assembly Services
Languages
English Full professional proficiency
Location
Lagos, Nigeria