s
sheamush_

Sheamus Heikkil

@sheamush_

3D CAD Design, Mechanical Engineering, DFM and Product Prototyping

United States
English
About me
Hi, I am Sheamus, a US-based mechanical CAD designer and product developer specializing in 3D CAD modeling, industrial design, and mechanical engineering. I create production-ready CAD files for consumer electronics, automotive design, RC vehicles, and prototypes. My focus centers on Design for Manufacturing (DFM), ensuring 3D models are fully optimized for injection molding, 3D printing, and CNC machining. From technical drawings to realistic 3D rendering, I deliver precise, functional solutions tailored to your specs. Let us build your product!... Read more

Skills

s
sheamush_
Sheamus Heikkil
Offline • 

See my services

3D Modeling & Rendering
I will do cad design, 3d modeling, industrial design and 3d rendering for prototype
3D Modeling & Rendering
I will do 3d cad design, cad modeling for consumer electronics and 3d rendering

Work experience

Vanguard_Vision

Lead 3D CAD & Visualization Specialis

Vanguard Vision

Sep 2025 - Sep 20250 mos

Delivered end-to-end CAD design and photorealistic KeyShot 3D renderings for commercial products, consumer hardware, and automotive parts. Streamlined CAD file conversions (STEP, IGES, STL, DWG) for client manufacturing pipelines while delivering ultra-realistic visual collateral for marketing materials.

Velocity_Solutions

Automotive 3D CAD & Surface Modeling Engineer

Velocity Solutions

Feb 2025 - Apr 20252 mos

Developed Class-A 3D surface models for automotive bodies, custom vehicle modifications, emergency police package accessories, and high-performance RC car chassis. Utilized advanced surfacing techniques to ensure sleek aesthetic aerodynamics and structural integrity prior to prototyping and mold production.

Nexgen_Innovations

Industrial Prototype & Product Development Engineer

Nexgen Innovations

May 2024 - Jun 20241 mo

Transformed early napkin sketches into fully functional 3D CAD models for rapid prototyping, SLA/FDM 3D printing, and functional testing. Collaborated with industrial designers to ensure ergonomics, structural stability, and seamless assembly of multi-part functional prototypes.