Advanced Flattening – makes a flat pattern from a 3-D non-developable (curved in two directions) surface or polygon mesh. In general, try UnRollSrf first.

DIVA – DIVA-for-Rhino is a sustainable design plug-in. It has been developed by Alstan Jakubiec, Kera Lagios, Jeff Niemasz, Christoph Reinhart and Jon Sargent at the the GSD-Squared research initiative at Harvard University and allows users to carry out a series of performance evaluations of individual buildings and urban landscapes

Grasshopper – For designers who are exploring new shapes using generative algorithms, Grasshopper® is a graphical algorithm editor tightly integrated with Rhino’s 3-D modeling tools.

Gumball – Displays the gumball widget on a selected object facilitating move, scale, and rotate transformations around the gumball origin. Plug-in available for Rhino 4. Included in Rhino 5.

Math – The Math Plug-In calculates smooth degree 3 curves and surfaces based on parametric equations.

Paneling Tools – PanelingTools plugin helps generate 2D and 3D cellular patterns and populate them over rectangular grids. The plug-in supports intuitive design of paneling concepts as well as rationalize complex geometry into a format that is suitable for analysis and fabrication. The plug-in is closely integrated with Rhino 4.0 and is widely used for architectural and other building designers.

Pointset Reconstruction – PSR is the process of creating ‘higher level’ geometry from ordinary points. There are many algorithms which can be grouped under this header and this plugin implements some of them. The most famous examples are Delaunay meshes and Voronoi diagrams.

SMART Form – SMART Form lets you sculpt and design free form, smooth geometry, based on the principles of pure compressive and tensile architecture.

SMART Move VIZ – SMART Move VIZ is an architectural tool, intended for rapid space planning and visualisation of moving crowd in 3D.

T-Splines – T-Splines, Inc. develops surface modeling software with optimal control and full industry standard compatibility for industrial designers and CAD professionals. T-Splines’ innovative software is based on the patented T-Splines technology, a new way of representing geometry that allows designers and engineers to add detail and control 3D models in ways that were previously impossible.

VRay – V-Ray for Rhino offers visualization professionals a state-of-the-art solution that generates high-quality images of unparalleled realism.