Geodesic Frame Dome

Triangulated frame dome from a mesh sphere cut by a plane

Category: StructureLevel: Intermediate31 components · 33 wires

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Mesh Sphere Ex creates a sphere with adjustable density, then it is triangulated so every face is a triangle. Mesh Split Plane cuts the sphere at a chosen height, leaving a dome. Mesh edges become frame members, de-duplicated vertices become spherical nodes, and the triangular faces are scaled down into glass panels. The base ring radius comes from the sphere section formula.

Grasshopper definition with wires

The real Grasshopper canvas: 31 components joined by 33 wires.

Geodesic Frame Dome: Grasshopper canvas with components and wires

The result in Rhino

Project info

CategoryStructure
LevelIntermediate
ToolGrasshopper · Rhino 8
Price (one price)US$158
Components31
Wires33

The project file you can download

The real project file is available. It is not just the pictures on this page: you get the working definition with every component and wire in place. It can be downloaded after payment, and we send the download link by WhatsApp or email.

ZIP: .gh + .ghx + baked .3dm + images

What is inside the file

The original Grasshopper definition (.gh and .ghx) with every component and wire in place, ready to open and tweak
The geometry baked to Rhino (.3dm)
Canvas and result images
A BACA-DULU.txt file listing the plugins required, the version and how to use it
All packed in one ZIP file

Project file: The actual project file (not just the picture) is available to download once payment is complete; we send the download link by WhatsApp or email
Payment: One price per project, paid in full upfront; the file is sent once payment is received
Tax: Prices exclude 11% VAT
Customisation: Adapting it to your own size or design can be ordered separately via WhatsApp

Components and plugins

Components used

Mesh Sphere Ex
Triangulate
Mesh Split Plane
Mesh Edges
Pipe
Deconstruct Mesh
Cull Duplicates
Sphere
Circle
Face Boundaries
Area
Scale

Plugins required

None. It uses only the components built into Grasshopper.

Parameters you can change

Radius (3 to 30): base sphere radius (m)
Density (1 to 8): Mesh Sphere Ex subdivision level
Cut Height (-5 to 5): cutting plane height (m)
Panel Scale (0.5 to 0.98): glass panel size relative to triangle

How the definition works

1Set the sliders in the Parameters group (Radius, Density, Cut Height, Panel Scale).
2Sphere & cut: The mesh sphere is triangulated and cut by an XY plane raised by Cut Height.
3Frame: Naked and interior edges become members; unique vertices become spherical nodes; the base ring follows the section radius.
4Glass panels: Each triangle is scaled about its centroid and made into a surface.

Price and ordering

US$158

One price for the whole project file, excl. 11% VAT

Order the file via WhatsApp

Frequently asked questions

Do I get the real file?

Yes. The pictures on this page are only previews. After payment we send the download link of the real project file (a ZIP containing the .gh and .ghx definition, the baked .3dm, images and a BACA-DULU.txt note) by WhatsApp or email.

Which Grasshopper version do I need?

The file was made in Rhino 8 with Grasshopper (Rhino 8). Newer versions open it too.

Can you adapt it to my design?

Yes, as a separate order. Message us on WhatsApp with a short description of the size and shape you want.

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Images are real captures of Rhino 8 and Grasshopper taken from the project files. Rhino and Grasshopper are trademarks of Robert McNeel & Associates.

Back to Grasshopper portfolio

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The project file you can download

ZIP: .gh + .ghx + baked .3dm + images

What is inside the file

The original Grasshopper definition (.gh and .ghx) with every component and wire in place, ready to open and tweak

The geometry baked to Rhino (.3dm)

Canvas and result images

A BACA-DULU.txt file listing the plugins required, the version and how to use it

All packed in one ZIP file

Project file: The actual project file (not just the picture) is available to download once payment is complete; we send the download link by WhatsApp or email

Payment: One price per project, paid in full upfront; the file is sent once payment is received

Tax: Prices exclude 11% VAT

Customisation: Adapting it to your own size or design can be ordered separately via WhatsApp

How the definition works

1Set the sliders in the Parameters group (Radius, Density, Cut Height, Panel Scale).

2Sphere & cut: The mesh sphere is triangulated and cut by an XY plane raised by Cut Height.

3Frame: Naked and interior edges become members; unique vertices become spherical nodes; the base ring follows the section radius.

4Glass panels: Each triangle is scaled about its centroid and made into a surface.