RS JV RSJV Innovation StudioMechanical & Product Design

Freelance mechanical & product design engineering

From concept sketch to manufacturable part.

I help early-stage startups take physical products from a rough idea through CAD, prototyping, and design-for-manufacture — so the first working unit and the thousandth one are built from the same solid design.

Rendered mechanical enclosure design
Fig. 01 — Concept studyScale N.T.S.
3D CADSolidWorks · Siemens NX · CREO
SimulationFEA / CFD
PrototypingFDM / SLA printing
Product DevelopmentConcept to launch

What I do

Engineering support where hardware usually gets stuck.

Most physical products don't fail at the idea stage — they fail between the sketch and the factory. That's the part I own.

01

CAD & Product Design

Mechanical design from first sketch to production-ready 3D models — enclosures, brackets, mechanisms, and full assemblies.

02

Prototyping

FDM/SLA prototype builds and fast iteration cycles, so decisions get tested against a physical part — not just a render.

03

Design for Manufacture

Tolerances, draft angles, and material choices reviewed against your real production route — printing, molding, sheet metal, or machining.

04

Engineering Consulting

Fractional mechanical engineering for teams that need senior design input without a full-time hire yet.

Rutvik Sharma

About

Rutvik Sharma

Mechanical & Product Design Engineer — Germany

I'm a mechanical and product design engineer working with early-stage startups on the parts of hardware development that decide whether a product actually ships: mechanical CAD, prototyping, and design-for-manufacture.

My background spans e-drive development at Mercedes-Benz, thermodynamic simulation at Weiss Technik, and end-to-end product development at an air-filtration startup — designing, prototyping, and validating physical hardware from first sketch to passed validation.

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How a project runs

A simple, honest process.

01

Scope

A short call to understand the concept, constraints, and what "done" looks like.

02

Design

CAD development against agreed geometry, tolerances, and manufacturing route.

03

Prototype

Physical builds to validate fit, function, and assembly before committing further.

04

Iterate

Design corrections driven by what the physical part actually shows.

05

Handover

Production-ready files and documentation, scoped to your manufacturing partner.

Have a concept that needs to become a part?

Send over what you're working on — even a sketch or a rough description is enough for a first conversation.

Start a project