Evaluation limits and ongoing use

Rhino’s main limitation is that its full evaluation lasts 90 days: afterward, the program continues to run for learning and viewing files, but saving and plug-ins stop working until a license is purchased. The evaluation is the full Rhino 8, is available once per person without a credit card, and requires a free Rhino account to download.

For continued work, Rhino uses a permanent license rather than a subscription, with no maintenance fees. The North America commercial price is $995, and upgrades from older versions cost $595; students and faculty can purchase an educational license for $195. An evaluation version cannot be upgraded.

Modeling work Rhino handles well

Despite that evaluation limit, Rhino supports detailed design work by creating, editing, analyzing, documenting, and rendering NURBS curves, surfaces, and solids. This makes it useful when a model needs carefully controlled free-form geometry, from jewelry and architectural forms to product designs and aircraft parts. The program also works with SubD geometry, point clouds, and polygon meshes.

NURBS tools provide precise control over curves and surfaces, while SubD supports more organic forms. SubD geometry can be converted to precise NURBS, allowing a designer to move from an exploratory shape toward geometry suitable for technical work. The level of model complexity is limited by the available hardware rather than by a stated complexity cap in the modeling tools.

Parametric design and mesh workflows

Grasshopper is built into Rhino as a visual programming editor for parametric, generative, and algorithmic design. Designers can use it to construct relationships between parameters and geometry, then adjust inputs to explore variations. Hundreds of plug-ins extend Rhino for areas including rendering, CAM, architecture, and jewelry.

Rhino 8 adds ShrinkWrap for creating watertight meshes around geometry, a workflow useful for 3D printing. Its other additions include PushPull editing, SubD creases, and a more customizable interface. Rhino can also read and repair meshes and IGES files, supporting model exchange with CAD, CAM, and rendering tools.

Platform and practical fit

Rhino supports Windows 10 and Windows 11 on 64-bit Intel or AMD systems, but not Arm-based Windows PCs. It also supports macOS 12.4 or newer. McNeel recommends 8 GB of RAM and an OpenGL 4.5 graphics card with 4 GB of memory. An internet connection is needed for downloading and license validation, and virtual machines and Remote Desktop are not supported.

The program is suited to industrial and product designers, jewelers, architects, and makers who need precise free-form surfaces. Its modeling approach is not history-based parametric CAD, so mechanical engineers who depend on that workflow may find it unsuitable; it is also not intended for character animation. For supported design tasks, Rhino combines precise surface modeling, SubD, mesh handling, and built-in Grasshopper in one tool.