Iconic Staircases #04 - The Vatican Museum - Giuseppe Momo

This huge double-helix staircase is situated in the Vatican Museums in the Vatican City State. It may also be known as the "Momo Staircase" or the "Snail Staircase" and is one of the most photographed in the world as well as being one of the most beautiful and ornate.

It is often wrongly attributed to Donato Bramante, but was actually designed by the Italian architect Giuseppe Momo in 1932.

The stair is in two separated helix's which twist together to form a double helix, This formation would come to represent life later, in 1952 when the DNA Double Helix was discovered. Above the stair, a huge canopy provides light to illuminate the treads and ornate bronze balustrading. Here are a few sketches and photos of the iconic staircase.

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by Ryan Tierney

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Maresfield Gardens - Finished Photos

This Triple flight helical staircase is one of the many elegant features in this large north London home. Constructed in satin polished stainless steel with toughened glass balustrade, it slightly differs from the preliminary renders featured here on our blog back in February.

Spiral worked closely with Melissa Robinson from MW Architects to design the staircase to the exact specification that was required. These are the professional photos of the finished staircase.

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by Ryan Tierney

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3D Printed Staircase No. 2 - Triple Flight Dog-Leg Stair

For our second 3D print we have printed a triple flight dog-leg stair at 1:40 scale. Printed in ABS on a Fortus 3D printer, each flight took around 20 hours to print and features 1.5mm handrail and 1.2mm glass panels. The whole model is mounted on transparent acrylic and stands around 40cm tall, with laser etched human profiles to give a sense of scale.

This model was printed on its side using the Fortus 250mc printer which uses FDM technology, printing horizontally reduces build time and helps make the small features stronger. This model was more complicated than our first 3D print and took over 60 hours to build.

This is the CAD model of the stair that was sent to the 3D printer and laser cutter.

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These are some of the photos of the finished model.

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by Henry Challis & Ryan Tierney

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The DS Modular Staircase

The DS Range is a classic Spiral Stairs design and has remained popular for over 40 years.

The core of the stair features an aluminium bracket system that can be customised to achieve a desired finish, allowing it to really blend in to the home or workspace area.
The Balusters bring great rigidity to the structure, available in a wide range of designs and materials.

Lastly, choice of treads - (timber/acrylics) & handrails (timber/stainless steel/acrylic)

With the wide range of materials and paint / polish finishes that are available to us today, you really can create your own theme within this stair, to suit your application.

Examples of fitted stairs within DS Range we have built can be found on our website here:

DS2-270 White Ash/Polished Ali/Stainless Steel
DS2-183 Walnut & Stainless Steel
DS2-309 European Oak/Stainless Steel/Glass

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These Images visualise powder coated finishes, gunmetal-grey & white.

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Any enquires please E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

by Nathan Tierney

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Augmented Reality - 3D Staircase

Spiral Staircase Systems have this week been experimenting with Augmented reality.

The custom software uses a marker, in this case the company logo, to scale and augment a 3D staircase model using a tablet.

We are aiming to use this in the future to show potential clients how their staircase will look on site.

The good thing about this is you can either rotate the staircase or physically walk around the logo and see a full 360 degree view of the stair. We would like to add a control to change textures so clients can see how different materials and finishes would look in situ.

For this example we have used the staircase featured here in one of our previous posts.

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Models can be viewed on laptops, smartphones and computers with a webcam.

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We are hoping to do a full size staircase on site so watch this space!

by Ryan Tierney & Henry Challis

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