RAP Technologies Private Limited provides specialized CAD customization, engineering software development, CAD engineering and BIM outsourcing services to engineering companies, manufacturers, construction organizations and CAD software developers worldwide. With more than 24 years of experience, we combine engineering knowledge with CAD programming capabilities to deliver customized solutions and reliable engineering support.
Combining 24+ years of precision mechanical engineering with deep CAD API programming to empower design offices, manufacturers, and technology vendors worldwide.
Custom CAD commands, plugins, DLLs, and engineering workflow applications. Specialized API development for AutoCAD, BricsCAD, and IntelliCAD environments.
Full-cycle 2D drafting, 3D parametric modelling, mechanical design, legacy drawing conversion, and dedicated offshore engineering resource teams.
End-to-end Revit BIM modeling, MEP engineering coordination, 3D scan to CAD, reverse engineering, and structural steel detailing for global builders.
Engineering CAD data preparation, 2D and 3D CAD modelling, drawing annotation, geometry validation, and dataset creation for AI/machine learning applications.
Engineered for global manufacturers, BIM contractors, and CAD software vendors. We build high-throughput in-process suites, cloud CAD engines, cross-platform plugins, and CAD-AI runtimes designed for mission-critical production pipelines.
Standalone C# / WPF MVVM engineering applications built for high-performance CAD calculation, safe in-process multithreading, and independent commercial distribution.
Unified cross-CAD API development across AutoCAD, BricsCAD, ZWCAD, GstarCAD, ARES, DraftSight, Inventor, and SolidWorks.
High-throughput shop drawing automation, multi-view generation, and dual PDF/DWG export pipelines for modular and precast contractors.
Headless Cloud Design Automation running Revit, Inventor, and AutoCAD in the cloud with zero desktop dependency.
Directly connect your CAD/BIM ecosystems with corporate backbones-including SAP S/4HANA, Salesforce, Teamcenter, and Windchill.
Rules-based 3D parametric assembly generation, dynamic block manipulation, and automated sales-to-manufacturing proposal generation.
Modernize unmanaged C++/ObjectARX, legacy VBA, and LISP routines into modern, high-performance .NET and BricsCAD BRX assemblies.
Deep learning (YOLO) computer vision for engineering symbol recognition on legacy scanned drawings, automated BOM/MTO extraction, and LLM-driven CAD agent tools.
Build and extend CAD workflows with Python. Develop plugins that work seamlessly across AutoCAD, BricsCAD and ZWCAD.
Scale your engineering capacity seamlessly with dedicated CAD/BIM engineers operating as an immediate offshore extension of your design team.
Full-time CAD/BIM engineers assigned exclusively to your organization, trained on your standards, software, and workflows.
Fixed-scope, milestone-driven delivery for specific drafting assignments, 3D modelling batches, or legacy conversions.
Continuous engineering support for design modifications, drawing redlines, engineering change orders (ECOs), and updates.
Seamless backend CAD/BIM production for international consulting firms, architecture practices, and software vendors.
Demonstrated capability across industry-standard mechanical CAD suites, BIM platforms, and low-level customization APIs.
Delivering specialized engineering documentation, software tooling, and drafting support across demanding technical domains.
Machine parts, tooling, fixtures, assemblies, BOM generation, and production drawings.
Component redesign, chassis fittings, 3D scanning, and reverse engineering for spares.
Architectural plans, Revit BIM modeling, as-built documentation, and permit sets.
HVAC duct routing, electrical cable tray layouts, plumbing isometrics, and clash detection.
API customization, plugin authoring, regression test suites, and desktop tools for ISVs.
Shop fabrication drawings, erection schemes, connection calculations, and take-offs.
Space planning, kitchen cabinet layouts, 3D rendering, and catalog model libraries.
Complex drawing digitization, plant layout updates, and large documentation packages.
Headquartered in Puducherry, India, RAP Technologies has spent over two decades serving engineering companies across North America, Europe, the UK, Australia, and the Middle East.
Synchronized business hours with US, European, and Australian project leads for instant communication.
Direct communication with fluent, technically qualified engineers eliminates translation and interpretation friction.
Enterprise cloud repositories with granular permissions, NDA compliance, and end-to-end drawing encryption.
Anonymized, MD-approved project highlights demonstrating our engineering precision and custom CAD programming capabilities.
Reconstructed critical legacy mechanical tooling without original CAD data. Processed high-density 3D optical scans, converted point-cloud meshes to parametric solid models, and delivered fully toleranced production drawings for digital manufacturing.
Executed comprehensive 2D production documentation and 3D assembly models for heavy industrial equipment. Delivered over 450 fabrication drawings complete with detailed Bill of Materials (BOM), GD&T specifications, and erection schemes.
Engineered a custom C#/.NET AutoCAD & BricsCAD plugin that automatically audits drawings against organizational layer standards, validates block attributes, and outputs structured Excel Bills of Materials in one click.
Developed comprehensive 3D Revit MEP models covering HVAC ductwork, electrical cable trays, and fire protection piping. Performed inter-disciplinary clash detection in Navisworks to resolve 120+ spatial clashes before on-site installation.
A proven track record combining mechanical engineering principles with deep CAD programming expertise.
Established in 2002 by industry veteran N.M. Pakutharivu (33+ years CAD/CAM expertise), RAP has continuously adapted to evolving engineering technologies.
Rare synergy of core mechanical/civil engineering knowledge paired with senior CAD API development in C#, .NET, ObjectARX, and AutoLISP.
Proficiency across AutoCAD, BricsCAD, IntelliCAD, Revit, SolidWorks, and Inventor ensures you never have to alter your native design environment.
Over two decades of delivering to clients across the USA, Europe, the UK, Australia, the Middle East, and India with seamless communication.
From single-component reverse engineering to dedicated full-time engineering teams, we accommodate project-based or monthly contracts.
Rigid intellectual property protocols, encrypted file exchanges, and legally binding bilateral NDAs protect your proprietary designs.
Whether you require custom CAD plugins, dedicated drafting resources, or MEP BIM coordination, our senior technical team is ready to assist.
N.M. Pakutharivu
#5 & 6, G Cross, 12th Street, Krishna Nagar,
Puducherry – 605 008, India
Direct technical review by senior CAD software architects and engineering leads within 24 business hours.
Daily synchronous working hours aligned with North American (EST/PST), European (CET/GMT), and Australian (AEST) timelines.
Immediate mutual Non-Disclosure Agreement execution before exchanging proprietary DWG, CAD models, or APIs.
Fill out the project scope below. Our technical leads respond within 24 hours.
