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Keep shoppingPython in Grasshopper: Complete Guide from Zero to Advance
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Python in Grasshopper: Complete Guide from Zero to Advance
Master Parametric Design by Writing Powerful Python Scripts from Scratch
Created bySajjad Montazeri
Last updated 1/2026
English
What you'll learn
- Write Python code from scratch, starting with basic variables and arithmetic operators (+, -, *, **, /, %).
- Format and combine text from sliders into custom labels using string formatting (.format()) and concatenation.
- Control the flow of your script with logical decisions using if, elif, and else statements.
- Use Boolean logic (True, False) and comparison operators (==, !=, >, <) to create powerful conditions for your designs.
- Import the rhinoscriptsyntax library (as rs) to unlock the power to control Rhino and Grasshopper with code.
- Generate actual 3D geometry like points (rs.DivideCurve), lines (rs.AddLine), circles (rs.AddCircle), and polylines (rs.AddPolyline) directly from your script.
- Create and manage large collections of data using Python lists, including how to create, append to, and remove items from them.
- Master data selection by accessing any item in a list using indexing (list[0]) and extracting specific ranges of data using list slicing (list[1:5]).
- Build practical, project-based tools that combine all these skills to create dynamic shapes and complex parametric designs.
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Course content
17 sections • 64 lectures • 12h 37m total length
Requirements
- A computer with Rhino, the Grasshopper plugin installed — and a curious, creative mind!
Description
Note: This course is designed to grow with you. I’ll be continuously updating it with fresh modules, advanced workflows, new automation techniques, and high-value project breakdowns — so you’re not just enrolling in a course, but in a constantly expanding resource that evolves as the industry does.
What separates a designer who uses Grasshopper from one who can script it?
How can writing Python code unlock true automation that components alone cannot?
What skills do you need in Python + Grasshopper to build a powerful portfolio and land a top job?
In this course, you'll learn how to write Python code from zero. You'll master Python's fundamental data structures (like Lists), control your logic with if/else statements, and automate any repetitive task with powerful for loops.
We'll dive deep into Data Structure Management (mastering indexing and slicing) and use the RhinoscriptSyntax library to draw, control, and manipulate 3D geometry directly inside Rhino.
Whether you're a complete beginner to coding or want to refine your creative coding skills, this course gives you a complete learning path from basic syntax to advanced parametric thinking.
Headlines
Python Scripting in Grasshopper – Write Your First Lines of Code and Understand Basic Syntax
Controlling Rhino with Code – Import rhinoscriptsyntax to Draw 3D Geometry Like Lines and Circles
Python Data Structure Management – Master Lists, the Core of All Parametric Geometry
Advanced List Indexing and Slicing – Select, Extract, and Manipulate Specific Data from Any List
Logical Scripting with Booleans – Use if, elif, and else to Make Decisions in Your Code
Automating Tasks with for Loops – Iterate Over Lists to Generate Complex and Repetitive Geometry
Advanced Loop Techniques – Use zip and range(len()) to Connect and Manage Parallel Lists of Data
Creating Custom Parametric Tools – Combine Loops, Slicing, and Logic to Build Real Scripting Projects
If you're serious about learning Python scripting in Rhino, this course is the most structured path to get you from beginner to advanced.
Enroll now and start building the creative and technical scripting skills that architecture firms and design studios look for.
If you have any questions during the course, feel free to ask — I offer 24/7 support to help you progress faster and stay confident in your journey.
Who this course is for:
- Architects, designers, and engineers who want to automate repetitive tasks and create complex forms in Grasshopper.
- Design students (Architecture, Industrial Design, etc.) who want to gain a competitive advantage by learning parametric scripting.
- Rhino and Grasshopper users who have no programming experience and want to learn Python from the very beginning.
- Programmers who are interested in learning how to apply their coding skills to 3D modeling and creative design.
- 3D modelers and digital artists who want to add powerful automation and parametric control to their creative workflow.