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.
These are some of the photos of the finished model.
by Henry Challis & Ryan Tierney