GH Leafcutter
Some of you may be interested in a Google Sheets workflow with your partner for data acquisition.
- Here is the link to download GH Leafcutter and the tutorial below.
- I have done the tutorial and uploaded files to our AAA Fileserver folder \\aaafileserver.uoregon.edu\Courses\2016-Winter-ARCH423-523-Speranza\05_TUTORIALS\01_CLASS LESSONS\07.1_LEAFCUTTER
Leafcutter is an open source project to connect Grasshopper to Google Sheets, with proper OAuth 2.0 Authentication.
Leafcutter exposes the following components:
- Google Authenticator. Creates a session token for connecting to your Google account.
- Spreadsheet List. Fetches a list of spreadsheets in your account.
- Read From Spreadsheet. Read specified cells from the specified sheet and worksheet.
- Write To Spreadsheet. Write to specified cells and worksheet.
- Create Spreadsheet. Self-explanatory.
- Find Cell Address. Query the spreadsheet for an existing value and return the cell address.
This project is open source and released under the MIT License. Visit the Github repo here:
https://github.com/fluxio/leafcutter.git
This is a first release and has been tested by a limited number of users. It may contain bugs. Please use it “as is”, it does not come with warranties. We welcome any and all feedback and development support should you be interested.
To install:
- Close Rhino if it is open.
- Double-click the LeafcutterInstall.exe file.
- Click your way to Leafcutter happiness.


Excellent observations made in this blog! I thought the methodical approach and useful advice were fantastic. Knowing that you might buy assignment answers online from reliable sources is beneficial for students who are having trouble meeting deadlines. The importance of academic support is amply demonstrated in this piece. Bravo to the author for providing such insightful material; I will surely bookmark this page for future use!