# 12- Parametric Hexagons

In this Paracourse Lesson, we are going to model a series of hexagons which scale based on point attractors. We are also going to study how to fix the cells on the closed Nurbs surface seam.

**35 Minutes**

**213 MB**

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In this grasshopper example file you can create a 3D pattern by applying force using the Kangaroo2 plugin on a 2D cairo pattern.

In this grasshopper example file you can use the Nursery plugin to create and simulate parametric fields.

In this grasshopper example file You can design a Parametric flower pot by defining radial base curves and using the graph mapper component.

In this grasshopper example file you can use the Kangaroo2 Plugin to simulate a differential growth pattern on a surface.

In this grasshopper example file You can design a Facade by defining a parametric base curve .

In this grasshopper example file you can create a pixelate pattern by removing random vertices and using the pufferfish plugin

In this grasshopper example file you can model a Deformed Voronoi pattern on a catenary surface.

In this grasshopper example file you can use the "Lorenz Attractor" component from the Chimpanzee`s plugin as a base for modeling a Polyline attractor.

In this grasshopper example file you can generate a parametric Differential Growth Curve by using the Kanagroo2 & Chromodoris plugin.

In this grasshopper example file You can model a parametric random wave-like facade by using the graph mapper component.

In this grasshopper example file you can model a parametric curve by using a timer and a sine function.

In this grasshopper example file you can create a parametric table by using the Dendro plugin and by voxelizing a series of parametric lines.

In this grasshopper example file you can model a 3d parametric wall pattern without using any plugins.

In this grasshopper example file you can model a parametric stair by defining a closed planar curve in Rhino

In this Paracourse Lesson you will learn how to model a parametric wavy facade by using the graph mapper component and also shifting the pattern for each level.

In this grasshopper example file you can create different parametric patterns based on a triangular grid cell.

In this grasshopper example file you use multiple point attractors to deform a base surface and convert them into parametric strips.

In this Paracourse Lesson you will learn how to model a simple tensegrity structure by using the Kangaroo2 Plugin

In this grasshopper example file you can use the Anemone plugin to model a parametric rotating 3d pattern.

In this grasshopper example file You can use the Pufferfish plugin to create a 3d wave-like displacement on a mesh surface.

In this grasshopper example file, You can use the Anemone plugin to generate parametric fractal patterns and then project them down on a dome.

In this Grasshopper example file, you can use the Boid plugin to simulate the Wandering behavior of a series of particles with randomized vectors.

In this grasshopper example file you can model different stair types by changing the base polygon.

In this grasshopper example file you can create parametric tower covered by a hexagonal structure pattern using the Lunchbox plugin.

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## Comments

## edgar

Attachment

question.jpgI have a problem, if I created a surface in Rhino which had some crown on it and an irregular shape ( I did a square then projected curves and trim it) seem Grasshopper is reading the complete surface and not the trim part, how could I add the edges of the surface?

## parametric

Hi Edgar

Remember that Rhino/Grasshopper is a NURBS modeling software and if you have watched the basics we have explained that a Trimmed surface will be paneled on the untrimmed surface. Grasshopper uses u/v network to make the panels so you should try to make a pure NURBS surface if you want to fit it on the whole surface. You can also trim the overhanging edges.

## technolo-g

Killer lesson, thank you! I noticed that the calculation of area in order to sort the hexagons takes a significant amount of time to complete (almost 30s) on my MBP. Is there any caching mechanism that could be used or any other way to speed up this process? I’m currently just disabling the solver while making a changeset which is less than ideal.

## parametric

Thank you technolo-g

unfortunately, area calculation is a little bit slow… You can always disable the last step for sorting and change the simple hexagon polygons fast and finally enable the last part to get final results