Award-winning physical prototype · CAD-developed system

ENTRY — Wet-Dry Threshold System

A compact wet-dry threshold system for organizing the first moments of coming home.

2026 London Design Awards Silver Winner badge

London Design Awards 2026 — Silver Winner

Product Design — Home Furniture / Decoration

ENTRY positioned in an entryway with umbrella, shoes, and keys in use.
Category

Interior design element / domestic product system

Focus

Threshold rituals, water control, footwear organization

Methods

Industrial design, CAD development, prototyping, structural detailing

Recognition

London Design Awards 2026 — Silver Winner

Portrait of Zhenhua Chen featured in the Muse.World interview on calm industrial design.
Zhenhua Chen Industrial Designer · Founder, Built by Zhen

Press & recognition

Creating Calm Through Industrial Design

Published by Muse.World following the London Design Awards, the interview expands on the thinking behind ENTRY, the relationship between industrial design and CAD engineering, and the broader direction of Built by Zhen.

2026 London Design Awards Silver Winner badge

ENTRY — Wet-Dry Threshold System2026 Silver Winner · Product Design — Home Furniture / Decoration

Problem

Most entryways do not only suffer from storage shortage. They suffer from threshold ambiguity.

Wet umbrellas lean against walls. Shoes spread across the floor. Keys, bags, and everyday carry items occupy whatever surface happens to be available. Disorder begins at the exact point where the home should become clear.

ENTRY responds to this moment as a product-system rather than a single storage object. It gives each arriving object a precise spatial role, while keeping the overall form quiet enough to live with.

System architecture

ENTRY organizes arrival through structure, sequence, and containment.

Detail view of ENTRY base showing drainage tray and grounded structural connection.

Grounded base

The base anchors the system visually and physically. Its recessed drainage zone keeps water controlled without turning the tray into a decorative feature.

Central spine

The vertical support gives the object a clear structural order. Shelves and umbrella guidance elements extend from the spine as controlled horizontal layers.

Layered platforms

The repeated shoe platforms create a compact rhythm for footwear while preserving open space and legibility from the front and side.

Top-down form detail of ENTRY showing tray area and side geometry.
Form detail: softened geometry, recessed tray, and side cut geometry.
Close detail showing repeated layered shelf rhythm.
Layer rhythm: horizontal organization without visual heaviness.
Material & fabrication logic

Designed around simple, durable, and maintainable construction logic.

ENTRY is designed around a simple, manufacturable construction: a CNC-machined ABS main body, sheet-cut internal components, and a removable drainage tray for easy cleaning. The system is intended to be durable, water-resistant, and visually quiet, with parts organized around straightforward assembly and maintenance.

Development evidence

From product language to structural logic.

ENTRY was developed as a full-scale product system through CAD modeling, structural studies, and prototype refinement. The initial CAD evidence below documents the underlying 3D development process behind the physical prototype.

01

CAD Development

3D modeling and structural exploration of the threshold system.

02

Assembly Logic

Component relationships, support structure, and maintenance considerations.

03

Prototype Study

Physical evaluation connecting digital development with real-world use.

Built by Zhen

ENTRY continues as a study in calm domestic infrastructure, with future development focused on refined assembly and manufacturing pathways.

Return to studio homepageRelated development — Vertical Threshold Spine