Reverse Engineering, CAS, CAD and Class A Surfacing

Reverse Engineering,
CAS, CAD and Class A Surfacing
From One Studio

A specialist studio in Hanoi, for automotive, aerospace and medical device programmes across the US, Europe and Japan.

Since 2009

Seventeen years, one discipline

US · EU · Japan

Where the work goes

48 hours

An engineer answers, not a sales desk

01 — The Company

Four Disciplines That Are Usually Four Suppliers

A concept, a Class A surface, a production model and a rebuild from scan data normally come from four companies. Here they come from one team.

That matters at the joins. Nothing is handed over a wall and re-interpreted on the way.

Four disciplines at PSH Design shown side by side: a whole-car cubing assembly, automotive interior concepts, an eVTOL aircraft concept, and a patient-specific cranial implant

Every image on this site is our own work. None of it belongs to a client, because none of it ever will.

Founded in 2009 by Bui Ngoc Phuong, a modeller before there was a company to run. Every designer here is a mechanical engineer, five years or more inside Japanese, German, British and American programmes.

日本語でも対応しています。日本語の記事はこちら →

Who you would be working with →

02 — From an Idea

Concept Design and CAS

For designers with more directions than modelling capacity. A sketch, a photograph or a rough form comes back as a resolved 3D direction in about two weeks.

Not a substitute for your designer. The brand’s intent stays where it belongs. What we add is how many ideas actually get built.

Vehicles, eVTOL, seaplanes, rail, yachts, cabins and seating.

Concept Design & CAS →

Four CAS stages on an eVTOL aircraft: blocked form, topology cage, surface patch colouring and finished surface

Form, topology, patch layout, finished surface — on our own aircraft.

03 — The Standard

Class A Surfacing

Class A patch layout across a vehicle bodyside showing curvature-continuous surface boundaries

The layout is the decision. The surface is the consequence.

Built continuously since 2009 for programmes that had to satisfy the design centres of top-tier carmakers in Germany, the UK and Japan. Curvature-continuous, zebra-clean, in your native format.

Tier 1 suppliers need this more than the carmakers do — the carmakers already have it in house.

Exterior, doors, lamps, cockpit, interior. From your data or from a scan.

Class A Surfacing →

04 — The Hardware

Cubing and Production CAD

Full-size body masters — the Meisterbock — since 2009. A whole-car cube is roughly 1,000 hours of design work.

We design them; we do not machine them. Machining goes to the best cubing shops in Germany, Japan or China — whichever sits closest to you.

Also: complete automotive modules from Class A through to production CAD, and generative design for parts that will be printed rather than cut.

CAD Engineering →

Whole-car cubing 3D assembly mounted on its support frame

A whole-car cube, before it is broken into machinable blocks.

05 — From Measured Data

Reverse Engineering

Scan mesh rebuilt into a finished surface model, shown side by side

Mesh in, a clean model out — with a report that says how close.

Around 300 parts a year, 3,000 hours, for over a decade. Scanning stays with you. Modelling comes to us.

Twelve hours of time difference works in your favour: sent at the end of your day, waiting when you open. Most of it goes out under your name.

Mesh or point cloud in; a clean parametric or Class A model out, with a deviation report.

Reverse Engineering →

06 — The Industries

Where This Work Ends Up

01Automotive

Exterior, interiors, cockpit modules, full-size masters, checking fixtures. Most of what we do. Class A surfacing →

02Aerospace and New Mobility

eVTOL, cabin architecture, seating, electric seaplanes. Luxury automotive interior thinking, applied to vehicles that do not exist yet. Concept design →

03Medical Device

Patient-specific cranial implants. CT data becomes CAD, rebuilt alongside the surgeon, printed in titanium. CAD engineering →

07 — Technical Notes

What We Have Been Writing

Notes on surfacing, scan data and the way vehicle programmes actually run — written by the people doing the work.

All articles →

Free Test Project

Give Us the Awkward One

Send the part you would normally hesitate to outsource. We model it at our cost, so you judge the result instead of the proposal. NET 30, warranted for as long as you own it. A design engineer reads it — not a sales desk — and answers within 48 hours.

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