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Spiral Structure of Timber and Steel Enhances Community Engagement in Prairie Landscape

Authors:
Parisa Javani, Tyler Joseph Trudeau, Grayson Boullion, Peter Rivera
Spiral Structure of Timber and Steel Enhances Community Engagement in Prairie Landscape

Project in-detail

A spiraling observation tower constructed with timber and steel invites visitors to engage with the surrounding prairie landscape while providing educational and recreational opportunities for the community.
5 key facts about this project
01
Constructed with locally sourced timber for reduced environmental impact.
02
Features hexagonal platforms that provide diverse viewpoints of the landscape.
03
Incorporates ADA-compliant access for inclusive community use.
04
Utilizes steel outriggers for enhanced structural stability while minimizing visual bulk.
05
Integrates educational spaces that promote ecological awareness and local history.

## Project Overview
The Prairie Helix is an architectural design submitted for the Legendary Highway 14 Tower Design Competition in De Smet, South Dakota. The project aims to create an observation tower that enhances visitors' connections to the surrounding landscape and promotes community engagement. The design reflects regional characteristics while providing a platform for community interaction and individual experience.

## Spatial Strategy
The conceptual framework of the Prairie Helix is centered on observation, orientation, and community interaction. The tower's helix form encourages a gradual ascent, creating layered views of the local landscape, including the city, Silver Lake, and surrounding homesteads. Each level of the structure is tailored to facilitate engagement with the environment, incorporating viewing areas, play spaces, and rest zones. This design not only fosters individual exploration but also serves as a gathering point for educational activities focused on local ecology and history.

## Materiality and Construction
The architectural composition features overlapping hexagonal platforms that ascend, reflecting both stability and the organic shapes of the prairie landscape. Selected materials include:

- **Wood (12x12 columns)**: Offers an organic quality that links to local craftsmanship and the environment.
- **Steel outriggers**: Provide structural integrity against environmental forces.
- **Wood plank decking**: Ensures comfort and safety for users while maintaining aesthetic coherence.
- **Steel wire mesh railings**: Allow for unobstructed views while ensuring visitor safety.

The tower is designed for universal accessibility, with the first level compliant with ADA standards, promoting inclusivity. An external boardwalk harmonizes with the landscape, enhancing user interaction with the surroundings. Dynamic, rotating platforms offer varied vistas as visitors ascend, encouraging curiosity and exploration throughout the tower.

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MICROHOME 10: Celebrating Small-Scale Living with €100,000 Prize Fund and Kingspan’s Innovation

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Competition organisers

The MICROHOME 10 competition invites participants to submit visionary designs for off-grid, modular microhomes that push the limits of sustainable, small-scale living. Organised by Buildner in partnership with Kingspan and Hapi Homes, this tenth edition sets the challenge of designing a dwelling for two people within a maximum floor area of 25 m², encouraging bold solutions adaptable to any urban or rural location. The competition continues Buildner’s mission to foster innovative approaches to compact, energy-efficient housing that can address pressing global challenges.

This year’s edition offers a generous total prize fund of €100,000, including the Kingspan Award for designs that integrate high-performance Kingspan products and the Hapi Homes Award for a project selected for real-world construction. In addition to cash prizes, the winners gain international exposure through Buildner’s media partnerships, publications, and a dedicated MICROHOME magazine, further amplifying their ideas to the wider architectural community.

Key dates for MICROHOME 10 include the closing date for registration on 25 September 2025, the submission deadline on 29 October 2025 (11:59 p.m. London time), and the announcement of winners on 9 December 2025. These milestones ensure participants have clear timelines to develop and present their concepts, with early registration discounts available to support students and emerging designers worldwide.

MICROHOME

Design a new small-scale home concept in the 10th edition of MICROHOME — 100,000 € prize + construction

100,000 € Prize Fund / Kingpsan Edition #10 ideas COMPETITION
Prize 100,000 € + Potential realisation
Eligibility Open to all
Final registration deadline 25 September 2025

Enter an open architecture
competition now

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