20-sim vs ICEM Surf

20-sim has no write-up on Specifiction yet; its figures are above.

ICEM Surf is a curve and surface modeling tool for defining, analyzing, and visualizing complex free-form CAD surface models. It is used in automotive, aerospace, consumer goods, and press-tool design. Its modeling tools and dynamic diagnostics support creating and checking Class-A surface geometry. Listed modules include Professional, Master, Magic, Advanced Tools, Safety Analysis, Scan Modelling, and Immersive VR Review and Realtime Rendering. The Scan Modelling add-on handles dense, ordered, or random point clouds from laser and photo digitizers. Safety Analysis detects sharp edges and corners by simulating a sphere rolling across model geometry. Realtime Rendering supports shadows, environments, materials, lighting effects, and VR design reviews. ICEM Surf supports Windows 10/11 64-bit; its 2026 visualization and rendering requirements specify Windows 11 H2 or newer. It needs at least 8 GB of 64-bit main memory. Commercial pricing is on request, and some interfaces and add-on modules require additional licenses. A free Learning Edition is available after signing in or creating a 3DEXPERIENCE ID, for personal learning only and without support.