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Case Study: Precision Window & Stonework Restoration with 3D Scanning Technology

A photo of a church window space with highly reflective black acrylic in place of the window.
Finished window with acrylic infill, cut to 3D scanned profile.
3D Scanning stonework above new window frame
3D Scanning a portion of good stonework to make a template to help with repairs to damaged sections.
3D Scanned Church Windows After Restoration
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Finished window with acrylic infill, cut to 3D scanned profile.
3D Scanning stonework above new window frame
3D Scanning a portion of good stonework to make a template to help with repairs to damaged sections.
3D Scanned Church Windows After Restoration
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The problem

Following a devastating fire in 2008, St Alban’s, a Grade II listed church in Retford, endured significant damage to its stonework and windows. The original windows featured traditional designs, posing a challenge for restoration due to their unique shapes, made more complex by the damaged stonework. The developer sought a solution to accurately replicate these shapes to make panels to fill gaps between the new windows and the stonework.

The solution

Our team utilised 3D scanning technology to capture precise measurements of the window designs. By scanning each window, we obtained accurate 3D data which could be used to create the required templates that matched and contoured stonework perfectly. The data was then exported as 2D DXF files, which were used for laser cutting the acrylic infill panels to exact size and shape.

The result

Through meticulous scanning and CAD modelling, we successfully replicated the contour of the original windows enabling the acrylic infill panel to be cut perfectly. The panels seamlessly integrated with the modern aluminium windows and existing stonework, maintaining the authenticity of St Alban’s while providing modern functionality for residential use. The developer was pleased with the snug fit of the infill panels and the beautiful restoration of the windows.

The conclusion

The restoration of St Alban’s windows demonstrates the practical application of 3D scanning technology in heritage conservation. By accurately capturing the unique shapes of the original windows, we facilitated the seamless integration of modern materials while preserving the architectural character of the Grade II listed building. This project underscores our commitment to delivering precision-driven solutions tailored to the specific needs of heritage restoration projects.

Related pages: 3D Scanning Services | On-site 3D Scanning Services

About Us


AB Technology started out as an independent CMM Inspection & Programming company based near Nottingham, UK. Over the last 25+ years, we have expanded our services to include 3D scanning and reverse engineering, serving customers of all sizes, across an array of industry sectors, both domestically and internationally.