We are sharing a specialised consulting opportunity for experienced CAD Data Generation & Validation Specialists with strong expertise in FreeCAD, Python, parametric modelling, mechanical design, CAD validation, GD&T, manufacturing processes, and engineering documentation to contribute to an advanced AI training and engineering-data project.
Selected professionals will create, edit, validate, and document high-quality parametric CAD models used in AI training datasets, with a strong focus on geometric accuracy, engineering best practices, reproducibility, and manufacturing relevance. The work combines CAD generation, quality assurance, technical documentation, and optional Python-based automation.
Key Responsibilities
Parametric CAD Model Generation
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Create precise parametric CAD models using FreeCAD
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Develop mechanical parts, assemblies, and reusable geometric features
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Apply robust modelling practices that preserve design intent
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Maintain geometric accuracy across complex model structures
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Build diverse CAD assets suitable for dataset development and AI training
CAD Validation & Quality Assurance
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Review CAD models for dimensional, geometric, and structural accuracy
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Identify discrepancies, modelling errors, or incomplete design information
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Validate models against engineering requirements and best practices
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Correct issues while preserving intended functionality and parametric behaviour
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Maintain consistent quality standards across large collections of CAD data
GD&T & Engineering Standards
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Apply Geometric Dimensioning & Tolerancing principles to mechanical models
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Ensure CAD outputs reflect real-world manufacturing standards
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Review dimensional relationships, tolerances, and geometric controls
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Identify design elements that may conflict with manufacturing or inspection requirements
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Apply engineering judgement to maintain realistic and production-relevant model data
Mechanical & Manufacturing Design
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Apply mechanical-design principles when developing and reviewing components
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Consider common manufacturing methods when evaluating geometry and tolerances
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Incorporate industrial-engineering and manufacturability considerations where relevant
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Ensure models are representative of realistic engineering applications
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Support creation of technically diverse datasets spanning multiple mechanical-design scenarios
Python & CAD Automation
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Optionally use Python to automate repetitive CAD modelling or validation tasks
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Enhance model parametrisation through scripting where appropriate
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Develop reproducible workflows that improve modelling efficiency
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Support scalable dataset generation through technical automation
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Apply scripting to increase variation, consistency, and richness across CAD assets
Technical Documentation & Reproducibility
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Document modelling workflows, assumptions, and design decisions clearly
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Maintain detailed engineering documentation for validation and dataset traceability
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Record revisions and quality-assurance findings consistently
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Ensure modelling processes can be reproduced by other technical contributors
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Communicate complex engineering information clearly to both technical and non-technical audiences
Ideal Profile
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2+ years of experience in mechanical design, CAD modelling, manufacturing, industrial engineering, or a closely related field
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Strong hands-on experience with FreeCAD or equivalent parametric CAD software
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Demonstrated expertise in parametric modelling and mechanical design
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Strong understanding of engineering best practices
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Experience with CAD validation and quality-assurance workflows
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Practical knowledge of GD&T and its application to real-world manufacturing scenarios
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Familiarity with industrial-engineering principles and common manufacturing processes
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Experience preparing detailed engineering documentation
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Strong attention to detail and commitment to geometric accuracy
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Ability to incorporate feedback and revisions efficiently
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Python scripting experience is advantageous, particularly for CAD automation or parametrisation
Engagement Details
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Independent contractor engagement
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Fully remote
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Compensation: $40–$100/hour
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Work will involve FreeCAD modelling, CAD data generation, validation, mechanical-design review, GD&T, quality assurance, and engineering documentation
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Python-based automation may be used to improve modelling efficiency and dataset diversity
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Strong parametric CAD and engineering-quality experience are central to this engagement
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Assignments may include parts, assemblies, features, validation workflows, and manufacturing-oriented CAD scenarios
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Project scope, workload, modelling requirements, and quality standards may evolve depending on project needs
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Work must be completed without using confidential or proprietary information belonging to any employer, client, institution, or other third party
About the Platform
This opportunity is available through 24-MAG LLC. We connect experienced professionals with remote consulting opportunities across technical, evaluation, and project-based workstreams.
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