Beginners supporting FDM 3D models should start with slicer software’s automatic support generation—this adds removable structures under overhangs (angles >45°) to prevent printing failures, the simplest method.
Auto-support tools in Cura or PrusaSlicer handle basic overhangs without manual edits. For complex models (e.g., hollow objects), use water-soluble PVA filament to make support removal easier—ideal for beginners.
Practice with small models that have minimal overhangs (e.g., simple toys) to get comfortable removing supports, and always preview supports in the slicer to avoid unexpected issues.