. a collection of codes & grammars for Grasshopper.
Hitomezashi Pattern

The definition creates a specific Hitomezashi pattern.
Outputs are available in Nurbs and a Mesh format.
Hitomezashi_pattern_Co-de-iT_1.0007.zip
Mesh Color by sudo-Curvature

The definition applies a vertex color based on the average or upper value of the angles between adjacent faces.
Mesh_Color_by_Curvature_Co-de-iT_1.0007.zip
3D Hilbert curve

This definition generates a 3D Hilbert curve (a continuous fractal space-filling curve).
3D_Hilbert_Curve_Co-de-iT_1.0007.zip
nGon mesh tessellation

Builds a nGon mesh tessellation on a closed surface.
nGon_tessellation_Co-de-iT_1.0007.zip
Curves Sorter

Sorts a list of curves by closest curve and (eventually flipping their direction) to optimize toolpath length.
Curves_Sorter_Co-de-iT_1.0007.zip
Clusterizer

Groups indexes of connected points into separate clusters. Sandbox & Anemone plugins required.
Clusterizer_Co-de-iT_0.9.0076.zip
Spirograph

This definition simulates a spirograph tool.
Spirograph_Co-de-iT_0.9.0076.zip
3D Differential mesh relaxation

This definition explores the 3D relaxation of a mesh affected by an image gradient.
3D_Differential_mesh_relaxation_Co-de-iT_0.9.0076.zip
2.5D Differential mesh relaxation

This definition explores the 2.5D relaxation of a mesh by a system of attractor points forces.
2.5D_Differential_mesh_relaxation_Co-de-iT_0.9.0076.zip
2D Differential mesh relaxation

This definition explores the 2D relaxation of a mesh by a system of attractor points forces.
2D_Differential_mesh_relaxation_Co-de-iT_0.9.0076.zip
Vorospace

This definition creates a mesh model of all the connections between the centers of the 3D Voronoi cells and the adjacent cells.
Vorospace_Co-de-iT_0.9.0076.zip
3D Hexagonal Weaving

This definition explores the weaving of a hexagonal grid generating 3 different interwoven frames.
3D_Hexagonal_Weaving_Co-de-iT_0.9.0075.zip
Vectors field over HexaMesh

This definition explores vector field-driven deformations and colouring over a hexagonal grid, generating a mesh.
Vectors field over HexaMesh_Co-de-iT_0.9.0075.zip
Erwin Hauer’s Box Morph

This definition explores the Box Morph technique to get Erwin Hauer’s continuous screens using meshes.
Erwin Hauer’s Box Morph_Co-de-iT_0.9.0066
Math surfaces

This definition provides several math surfaces (nurbs and mesh) based on k3surf formulas.
Math surfaces_Co-de-iT_GH090066.zip
GH to SVG

A series of Clusters/Components in order to export and visualize directly a SVG file.
you can download the file from the gitHub repo.
ASCII art generator

This definition uses any image to create an ASCII art picture.
ASCII art generator_090014.zip
Gradient Descent Algorithm

Gradient Descent algorithm on a surface (generated by an image sampler logic) in two variants normal and rotated. Original VBnet code by Woo Jae Sung.
Gradient Descent Algorithm.rar
GH to Maya

GH definition that preserves mesh vertices colors and renders them in Mental Ray in Maya. Included are: GH def (v 0.9.0014), Rhino file, .fbx mesh sample, .mb file with finished result.
GH to Maya package
GH to Blender

GH definition that preserves mesh vertices colors and renders them in Blender with Cycles. Included are: GH def (v 0.9.0014), Rhino file, VRML mesh sample, .blend file with finished result.
GH to Blender package
Voxelizator

A definition that voxelizes a surface or polysurface.
Voxelizator_Co-de-iT_GH080066.zip
Ribs Structure

This definition creates a Ribs structure from a given Nurbs surface, unrolling all pieces.
RibsStucture_Co-de-iT_GH080066
Strip Morphologies

Fabrication of single-curvature striped surfaces. Based on the Strip Morphologies technique originally developed by MODELAB
Strip morphologies_Co-de-iT_GH080066
Seamless Pattern

A simple GH definition that mimics the Escher patterns process.
Seamless pattern_Co-de-iT_GH080066.zip
DiY Architectural Dialogue Machine

Inspired by this post – the GH def sorts random strings from several lists of data and works as an architectural dialogue machine.
DiY Arch Dialogue.zip
Blender2GH

Import a Blender3D geometry in GH using the .PLY file format. Package includes: .blend file, .PLY file, GH def, pdf tutorial.
Blender2GH_package.zip
Hexachaos

Random hexagonal based pattern generator.
Hexachaos_Co-de-iT_GH080010.zip
Pie chart

Draws a pie chart from a list of values.
Pie chart_Co-de-iT_GH06059.zip
Sudo-taxis

A Sudo-Phyllotaxis 2D pattern, using the formula: x= cos(i), y=sin(i)
sudo-phyllotaxis_Co-de-iT_GH06057.rar
Sudo-taxis growth

Sudo-Phyllotaxis variation using the formula: x= cos(i), y=sin(i), z=i.
sudo-phyllotaxis growth_Co-de-iT_GH06057.rar
Attractors vector deformation

Attractor points-based deformation (shrink-expand) on a hexagonal grid.
attractors vector deformation_Co-de-iT_GH0657.rar
Hexagonal Grid Field

Magnetic field applied to a hexagonal grid ruled by 4 points that can be switched (attractors or repulsors).
Hexagonal field_Co-de-iT_GH06019.zip
Image Field

Image-based geometric parameter control example.
IMAGE FIELD_Co-de-iT_GH06057.rar
Curvature analysis pattern

Subdivides a surface into quadrangular panels, with curvature-dependent holes.
curvature analysis pattern_Co-de-iT_GH06057.rar
Uneven Subdivision

Uneven subdivision of a NURBS surface, controlled by random intervals.
Uneven Subdivision_Co-de-iT_GH08004.zip
Complete Diagrid

Diagrid definition covering the whole surface, up to the edges.
Complete Diagrid_Co-de-iT_GH06059.zip
Quad2Diagrid

Tessellate a surface and smoothly transform the tessellation from a quadrangular to a diagrid pattern.
Quad 2 diagrid_Co-de-iT_GH06019.zip
Tatami-Cairo-Diagrid

This definition allows you to tessellate a surface going smoothly from tatami tessellation to diagrid through Cairo tessellation.
T-C-D_Co-de-iT_GH06019.zip