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IMBY modular backyard structure built with STRUCTAply Square Edge plywood framing and exposed timber detailing.
Case Study

IMBY Modular Prefab Built with STRUCTAply™ Square Edge

IMBY (In My Back Yard) is a compact, prefabricated modular structure designed to respond to the evolving needs of modern living. Conceived by Adriano Pupilli and his team, the project explores how thoughtful architecture, traditional craftsmanship and precision manufacturing can come together in a flexible, sustainable building system.

STRUCTAply® Square Edge was central to the outcome, providing structural integrity, design versatility and material efficiency throughout the build.

The Design Challenge

The IMBY concept set out to achieve multiple objectives within a modest footprint:

  • Create a modular system that could be added to, reconfigured or relocated
  • Suit small urban backyards and garden settings
  • Meet Exempt Development planning requirements
  • Be efficient to transport and assemble
  • Balance sustainability with affordability

The structure needed to be lightweight, durable and visually refined, while remaining practical to fabricate and install.

The Porta Solution

STRUCTAply® Square Edge was specified for the structural frame and exposed internal surfaces, allowing the plywood to become both structure and finish.

Ancient timber joinery techniques, including the traditional tusk-tenon joint, were integrated into the design, connecting horizontal and vertical members without reliance on excessive fixings. Combined with computer-controlled CNC cutting, this approach ensured precision nesting within standard 1200 x 2400mm sheet sizes, minimising material waste.

Lightweight and versatile, STRUCTAply® Square Edge supported:

  • Efficient prefabrication and transport
  • Flat-pack assembly and disassembly
  • Structural reliability with exposed detailing
  • Reduced material waste through optimised sheet layouts
  • A clean, natural timber aesthetic

The result is a system where structure and architecture are expressed as one.

IMBY Modular Prefab Structure – STRUCTAply Square Edge
STRUCTAply Square Edge Exposed Plywood Frame – IMBY

Sustainability & Australian Manufacturing

STRUCTAply® Square Edge is manufactured at Porta using sustainably grown Australian plantation pine.

Locally sourced timber reduces transport impacts and supports responsible forestry practices. Plantation-grown pine is a renewable building material that stores carbon for the life of the structure when used in long-term applications.

By combining traditional craftsmanship with modern manufacturing and responsibly sourced materials, IMBY demonstrates how prefabricated design can deliver environmental, economic and architectural value.

The Outcome

IMBY is a light-filled, adaptable structure that celebrates timber construction. Its exposed plywood frame expresses both craftsmanship and structural honesty, while its modular design enables future flexibility.

The result is:

  • A transportable and reconfigurable modular building
  • Efficient material use with reduced waste
  • Durable structural linings and exposed frame detailing
  • Sustainably grown Australian plantation pine
  • Manufactured in Australia at Porta

IMBY shows how smart material selection and intelligent fabrication can redefine compact architecture, delivering performance, flexibility and responsible design in one cohesive system.

Building Better with Porta

IMBY Modular Prefab Built with STRUCTAply™ Square Edge

IMBY Modular Prefab Built with STRUCTAply™ Square Edge

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