When using Cycles Render (Blender’s engine) for 3D printing, focus on geometry accuracy and printability over photorealism—Cycles helps visualize your model’s shape and scale, but 3D printing needs watertight, manifold geometry.
- **Repair geometry**: Use Blender’s "Select Non-Manifold" tool to fix holes, overlapping edges, or unclosed surfaces (essential for print success). - **Simplify materials**: Set Cycles materials to solid colors—this lets you check layer clarity and structure without texture distractions. - **Export and slice**: Export as STL (3D printing standard) after previewing. Use a slicer like Cura to adjust settings (layer height, supports)—Cycles visualizes, but slicers make the model print-ready.
Cycles aids in previewing, but fixing geometry and using a slicer are key for 3D printing success.