When creating clean supports for 3D models, focus on strategic placement, adjustable density, and material compatibility to minimize post-processing.
Strategic placement means supporting only overhangs/bridges that need it (usually >45°) to limit contact points. Adjustable density lets you use lighter supports for easy removal while keeping critical areas stable. Material compatibility—like pairing PLA with water-soluble PVA—avoids harsh methods like sanding.
For beginners, start with software auto-support tools (e.g., Cura) and tweak settings (e.g., support distance) gradually—this balances ease with better results without overwhelming adjustments.