Weaverbird Grasshopper

In this Weaverbird Grasshopper tutorial, I will use three different plugins (Weaverbird, Cocoon, and Kangaroo) which will take your modeling to a whole new level! First, we will model our solid mesh with Cocoon and then we will refine the mesh with Kangaroo and at the end, we use weaverbird to give our mesh some power.

Duration : 25 Minutes

After installing all the plugins you can go to the Cocoon menu and use the point charge tool to produce a point charge

To produce the point charge you can simply give the points to the point input and define the radius by using a “Gene pool” Be sure to double-click the gene pool and set the number of sliders same as the points. The charge strength is basically 1 or -1 and it defines if the charge is positive or negative

After producing the point charge you can use the Cocoon component to model the main mesh. The ISO is a number between 0 and 1 and a lower number will merge the point charges in a near distance compared to a higher ISO number. The cell size is the size of the voxels and it’s better to start with a bigger number and slowly decrease it to find the perfect size! Give a “Boolean toggle” to the Execute input and double click it to “True” so you can have the mesh!

You can also add multiple curves and give them a curve charge and connect them to the charges input. This will produce voxels around the curves and connect the points together.

You can also give a Brep charge if you want to add a solid or a surface to your overall model.

The last step is to use the Refine tool to make the mesh smoother. You can simply give the same number (maybe something between 5 to 15) to the “Samples” “Laplacian smoothing” and “Valence passes” because it will slightly change your overall mesh. The most important input is the SubD which can start from 1 but don’t increase it to something like 3 or 4 as it will subdivide the mesh and increase the mesh size. The sample size can be a number smaller than the size we gave to the cocoon component so start with the same number and gradually decrease it! The tolerance can be like 0.1 or 0.01 . Give a “Boolean toggle” to the Execute input and double click it to “True” so you can have the refined mesh!

You can also have a part of your mesh by using the “Clipping plane”. Simply right-click on your viewport title and choose the clipping plane and move it to see the results.

After refining the Mesh you can use the Mesh split tool and split your mesh with a box mesh for example. You can use the “List item” tool to extract the top mesh and work on it with Kangaroo and cocoon.

After extracting the upper part of the mesh you can head over to Kangaroo Physics menu >mesh and use the Mesh Machine tool. This tool will also refine your mesh after splitting or editing your main mesh. Give your mesh to the Geometry input and go to the weaverbird menu. In the extract section use the naked boundary to extract the boundary of the mesh and give it to the MeshMachine’s Fix curves. This will fix your mesh at the boundary. Give a number to the Length input which will define the length of the mesh edges. Define a number for iterations (maybe 5 to 15) and give a Boolean toggle to the Reset. At the end connect the output to the Params>Geometry>Plankton mesh and finally to a mesh object. If you change the Length be sure to set the reset to true and again to false!

Finally, we get to the Weaverbird core tools. By combining Weaverbird with Cocoon you can produce amazing mesh models.

4-Catmull-Clark subdivision will help you to smooth your final mesh.

5-Inner Polygons Subdivision will give you a star pattern on a triangle mesh.

6-Bevel Edges will Bevel the Edges! 🙂

7-Dual Graph will produce a hexagonal pattern on a triangular mesh. It basically connects the center of the edges to the center of the mesh faces!

Weaverbird Grasshopper

In this Weaverbird Grasshopper tutorial, I will use three different plugins (Weaverbird, Cocoon, and Kangaroo) which will take your modeling to a whole new level! First, we will model our solid mesh with Cocoon and then we will refine the mesh with Kangaroo and at the end, we use weaverbird to give our mesh some power.

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