Arun S.

Experience

• CAD ENGINEER NTTF · Full-time Aug 2026 – Present 0 mos Pune, MH, India Project 1: Automotive Trim Panel — Generative Shape Design (GSD)Category: Automotive Design / SurfacingSoftware Used: CATIA V5 (Generative Shape Design, Part Design)Project Overview: Designed an ergonomic automotive interior trim panel from aesthetic styled curve inputs, ensuring seamless Class-A to Class-B/C surface transitions.Key Deliverables & Execution:Created complex multi-curvature surfaces using Loft, Sweep, and Multi-sections Surface tools while maintaining $G^1$ (tangency) and $G^2$ (curvature) continuity.Applied thickening and solid-body integration with internal mounting features (bosses, locating ribs, and snap-fits).Conducted draft angle analysis (3° minimum) to guarantee zero-undercut mold release for injection molding.Outputs: Native .CATPart, STEP/IGES neutral files, and high-resolution shaded renders.Project 2: Heavy-Duty Fixture & Clamping AssemblyCategory: Tooling & Mechanical Fixture DesignSoftware Used: CATIA V5 (Assembly Design, Drafting), SolidWorksProject Overview: Developed a multi-component clamping and holding fixture designed for precision CNC machining operations.Key Deliverables & Execution:Modeled 25+ individual parametric components including base plates, toggle clamps, locating pins, and custom riser blocks.Executed top-down assembly modeling, defining full mechanical mate constraints and clearance/clash analysis to prevent interference during tool paths.Generated complete 2D manufacturing drawings featuring exploded views, balloon callouts, and an automated Bill of Materials (BOM).Outputs: .CATProduct, full 2D PDF drawing sheets with ASME Y14.5 GD&T standards, and DXF files for laser cutting base plates.Project 3: Sheet Metal Support Bracket & EnclosureCategory: Sheet Metal & Enclosure DesignSoftware Used: CATIA V5 (Generative Sheetmetal Design, Part Design)Project Overview: Engineered a structural mounting bracket for electronic hardware, optimized for high load-bearing capacity and cost-effective sheet metal fabrication.Key Deliverables & Execution:Created parametric sheet metal features including standardized bend radii, corner reliefs, stiffening ribs, and clearance cutouts.Set up specific K-factor and bend table parameters to ensure accurate flat pattern unfolding.Prepared detailed fabrication drawings with flat layout views, bend direction/angle callouts, and punch hole coordinates.Outputs: Unfolded 2D DXF files for CNC turret punching/laser cutting, 3D STEP files, and fully dimensioned 2D fabrication drawings.