The Nanlite Gobo Set 1 is a collection of 10 gobo discs that are fully compatible with the PJ-BM Projection Attachment. It includes 3 separate window types: arched, double, and angled, and useful patterns like linear arrays and breakups. The Nanlite Gobo Set 1 is a collection of 10 gobo discs that are fully compatible with the PJ-BM Projection Attachment. It includes 3 separate window types: arched, double, and angled, and useful patterns like a linear array and other breakups. Use them to create compelling backgrounds, convincing shadows and reflections, and countless other effects.