Perforated Spiral Staircase | Modern Decorative Helical Stair | SketchUp 2018

This modern perforated spiral staircase features a decorative helical guard panel with patterned cut-outs, creating a strong visual statement in contemporary interior spaces.

The smooth spiral geometry combined with the perforated surface makes it ideal for luxury residential, commercial, and concept design projects.

The model is cleanly grouped, optimized for rendering, and easy to modify.

Compatible with SketchUp 2018 and above.

✨ Key Features

🔹 Smooth helical staircase geometry
🔹 Decorative perforated guard panel
🔹 Modern contemporary design
🔹 Clean grouped components
🔹 Easy to scale and customize
🔹 Rendering-ready structure
🔹 Lightweight optimized file

🎯 Best Used For

✔ Luxury villa interiors
✔ Duplex residential projects
✔ Modern apartment designs
✔ Commercial interior spaces
✔ Showroom and lobby concepts
✔ Architectural portfolio renders
✔ Concept stair design studies

Technical Details

• Format: .SKP
• Version: SketchUp 2018+
• Organized components
• Real-world scale
• Units: Millimeters