To bevel 3D models quickly, use a clean low-complexity mesh, rely on modifier presets, and limit edge selection.
A simple mesh (few irregular polygons or overlapping edges) reduces calculation time. Presets (e.g., default 0.1 width for sharp edges) skip tedious manual adjustments. Use limit options—“Angle” (bevel only edges above a set angle) or “Weight” (target pre-weighted edges)—to focus the modifier on necessary areas, speeding up previews and renders.
For high-poly models, apply bevel to a lower subdivision level first, then subdivide. This balances speed and detail without overloading your software.