Rey Patigayon

 Prepared by: Rey N. Patigayon
 Portfolio -- Overview I am a highly experienced Solution Engineer with over a decade of hands-on expertise in automating and extending AutoCAD through advanced programming solutions. I specialize in designing and delivering custom tools and plugins that streamline drafting workflows, ensure drawing consistency, and integrate seamlessly with enterprise systems. With a deep understanding of AutoCAD’s .NET API, AutoLISP, and command automation, I bridge the gap between CAD design and software engineering—empowering teams to work smarter, faster, and with fewer errors. services offered 1. 🔄 AutoLISP to .NET Migration Service Ideal For: Engineering firms with legacy AutoLISP tools What You Get: • Full conversion of LISP/DCL routines to maintainable, high-performance C# or VB.NET • Elimination of obsolete code and improved UI with Windows Forms • Documentation and testing support Track Record: Migrated over 300 AutoLISP routines for major shipbuilding operations 2. 🖨 DWG to PDF Batch Plotting & Export Tool Ideal For: Design teams managing large volumes of DWG files What You Get: • A custom WinForms app to batch plot DWG files to PDF with specific layer and paper size controls • Naming automation based on attributes, title blocks, or external metadata (CSV/XML/SQL) • Scheduled execution and logging options 3. 📥 Automated Document Downloader for InEight Ideal For: EPC or construction firms using document control platforms What You Get: • A backend service to download, rename, and organize project documents using APIs • Authentication handling (native or proxy) • Metadata syncing to CSV or SQL Server Track Record: Delivered InEight and SPF downloaders with real-time status tracking 4. 📄 Custom PDF Editing Utility Ideal For: Teams that need lightweight, tailored PDF manipulation What You Get: • Merge, split, annotate, and recompile PDFs with your desired interface • Integrate PDF processing into your CAD workflow (e.g., attach reviewed drawings) 5. 📊 Excel VBA Automation for Engineering Forms Ideal For: Teams still using Excel for templated forms What You Get: • Auto-generated forms (Key Lists, BOMs, Cut Lists, etc.) • User form-based macros to reduce human error and data entry time 6. 🚢 Ship Design Automation Tools Ideal For: Marine and offshore design firms What You Get: • Custom tools for Hull design workflows in Cadmatic/AutoCAD • Utilities for checker workflows, view alignment, dimension cleanup, and standard enforcement 7. 🧩 Custom CAD Tools & Plugins Ideal For: Any firm wanting tailored AutoCAD behavior What You Get: • Custom commands (e.g., break polyline at points, quick label placement, object filters) • UI ribbons, palettes, or context menus • Code packaged as .NET DLLs with installer and documentation Market expansion consulting: Identifying new revenue streams and untapped market segments to accelerate business growth 8. Anything within my capabilities projects: Smart Completions InEight Integration: Conversion of AutoCAD LISP Routines to C#: Development of AutoCAD Utility: InEight Automated Export Tool: