ESTIMATED READING TIME: 5 MIN.

5 Things You Didn't Know You Could Do With Grasshopper!

November 16th, 2021 by ShapeDiver

Did you know that Grasshopper can be used to automate the generation of production files and technical drawings? How about rasterizing images into vectors? In this post we share 5 things you probably didn't know you can do with this amazing piece of software!

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<< Grasshopper is a powerful visual programming tool that can be used for everything from art, architecture, engineering and product design. Even though it’s such a widely used piece of software, most of its power is still quite unknown to most of its users. This post will start to fix this as we bring you “5 Things You Didn't Know You Can Do With Grasshopper”. Let's dive straight in! >>

1. Create Parametric Images & Textures!


This image shows parametric images

The use of the Squid plugin (ShapeDiver Edition) enables us to create images from not only the geometry we create but also from other images and even from simple text. Beginning with a basic Rectangle for projecting the BitMap image, we then provide a set of instructions for the Image to be generated. Lastly, we need to provide input for Pixel density and count. After setting up the script, we can easily control various aspects of the image, particularly its colors, amount of objects to name a few.


Interestingly, these same images can also be used as textures for objects modeled in Rhino! Once this is connected to the Geometry and uploaded to ShapeDiver, you can instantly change and modify the texture on the entire geometry easily through custom sliders, in real time.


2. Create Parametric PDF Files!

This image shows generation of PDFs


In the Squid plugin (ShapeDiver Edition), we have added a new component called Squid PDF. Once you have built the script with various image objects, the true potential of a “parametric PDF” starts to shine.


With this, we can build manufacturing drawings, generate invoice reports or create detailed CNC drawings. And the best part is the seamless integration with ShapeDiver. Any changes made to the model and the product details are instantaneously updated in the drawings!


3. Convert Images Into Curves!

This image shows converting images into curves

Using the Rooster plugin and simply linking the BitMap Image outputs a set of clean curves that create a boundary around the entire bitmap image. But, wait, why would you want to get the curves from an image?

First, you can convert a raster image into a vector image, instantly. And a second, more interesting use case is the ability to integrate it into other scripts so that it can read and adapt to the new curve information. The example of the Voronoi pattern exemplifies this approach.


4. Import DXF Files

This image shows importing DXFs


With this function, we can easily send geometry information between Grasshopper files. The geometry can be curves, meshes, and objects. But the main advantage of this function is its ability to import layers, colors, and other associated data that is contained in the DXF file.


With the Building example, we can get a 2D DXF file, complete with its layers, objects, and curves, to a 3D object with thickness, completely inside Grasshopper. And since it is linked, any modification in the master DXF file will get instantly reflected in the 3D object. From 2D floor plan to 3D model, instantly!


5. Export DXF Files!

This image shows exporting DXFsThe major use case for the particular function is its ability to export files for CNC and laser cutting. In the example, using OpenNest plugin, we can easily create a DXF file of a parametric 3D model of a canopy and with the functionality, we can directly export the data in a DXF file for CNC-laser cutting.

Combined with the power of ShapeDiver, the DXF file is complete in all its aspects, with dimensions that are recognized by both AutoCAD and Rhino.


Bottom Line

We just barely scratched the surface of what's possible with the power of Grasshopper and ShapeDiver. There's a reason why this is the prefered CAD solution for many professionals out there!

Did you find this post interesting? Let us know if you have any other interesting thing that can be achieved with Grasshopper by tagging us on Twitter or Instagram or send us any questions/comments via our Forum!


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