Creating a Spiral Staircase in SketchUp: A Step-by-Step Guide Using the True Bend Plugin This tutorial will guide you through the process of creating a realistic spiral staircase in SketchUp using the TrueBend plugin. Learn how to model the helical shape of the stairs, add treads and risers, and customize the design to fit your specific project. #nicetower #sketchup #nicetowerpro #architecture | Nice Tower Pro