# Grasshopper

**URL:** https://community.oneclicklca.com/c/integrations-bim-plugins/grasshopper/21.md

[Latest](https://community.oneclicklca.com/latest.md) · [Categories](https://community.oneclicklca.com/categories.md) · [Tags](https://community.oneclicklca.com/tags.md)

---

## [Grasshopper Integration](https://community.oneclicklca.com/t/grasshopper-integration/27)

<div class="topic-metadata">

**Author:** [@Steven](https://community.oneclicklca.com/u/Steven)\
**Replies:** 0

</div>

Everything related to the Grasshopper integration. Download the plugin from food4Rhino.

---

## [LCA Plugin in Grasshopper](https://community.oneclicklca.com/t/lca-plugin-in-grasshopper/2979)

<div class="topic-metadata">

**Author:** [@Julia\_Kopac](https://community.oneclicklca.com/u/Julia_Kopac)\
**Replies:** 1\
**Last updated:** [April 29, 2026, 10:29am UTC](https://community.oneclicklca.com/t/lca-plugin-in-grasshopper/2979 "2026-04-29T10:29:23Z")

</div>

Hello! I’m running into a persistent error when running a One Click LCA assessment in Grasshopper. The error occurs before I even use the component: "1. After parsing a value an unexpected character was encountered: “…

---

## [Problems in running analysis through Grasshopper plugin](https://community.oneclicklca.com/t/problems-in-running-analysis-through-grasshopper-plugin/2444)

<div class="topic-metadata">

**Author:** [@Alessandro\_Grossi](https://community.oneclicklca.com/u/Alessandro_Grossi)\
**Replies:** 3\
**Last updated:** [October 9, 2025, 10:09am UTC](https://community.oneclicklca.com/t/problems-in-running-analysis-through-grasshopper-plugin/2444 "2025-10-09T10:09:30Z")

</div>

Hi, After installation of last version on both Rhino 7 and grasshopper, I’ve tried a very easy carbon calculation through OneClickLCA grasshopper plugin, but after running the simulation (toggle True), I get: Error:Inva…

---

## [Youtube tutorials: Rhino and Grasshopper integrations of One Click LCA](https://community.oneclicklca.com/t/youtube-tutorials-rhino-and-grasshopper-integrations-of-one-click-lca/1047)

<div class="topic-metadata">

**Author:** [@diego.apellaniz](https://community.oneclicklca.com/u/diego.apellaniz)\
**Replies:** 4\
**Last updated:** [May 28, 2025, 11:52am UTC](https://community.oneclicklca.com/t/youtube-tutorials-rhino-and-grasshopper-integrations-of-one-click-lca/1047 "2025-05-28T11:52:11Z")

</div>

Hello, in case it may be interesting, I have uploaded to youtube some tutorials about how to use the Rhino and Grasshopper integrations of One Click LCA: One Click LCA for Early Design Stages with Rhino and Grasshopper …

---

## [Why LCA component does not apear in Grasshopeer](https://community.oneclicklca.com/t/why-lca-component-does-not-apear-in-grasshopeer/1730)

<div class="topic-metadata">

**Author:** [@hodaasdaghi](https://community.oneclicklca.com/u/hodaasdaghi)\
**Replies:** 7\
**Last updated:** [October 29, 2024, 5:15pm UTC](https://community.oneclicklca.com/t/why-lca-component-does-not-apear-in-grasshopeer/1730 "2024-10-29T17:15:47Z")

</div>

why LCA component does not apear in Grasshopeer?

---

## [Error with Grasshopper and OneClick LCA plugin](https://community.oneclicklca.com/t/error-with-grasshopper-and-oneclick-lca-plugin/1443)

<div class="topic-metadata">

**Author:** [@shailee.goswami](https://community.oneclicklca.com/u/shailee.goswami)\
**Replies:** 3\
**Last updated:** [July 30, 2024, 9:30am UTC](https://community.oneclicklca.com/t/error-with-grasshopper-and-oneclick-lca-plugin/1443 "2024-07-30T09:30:04Z")

</div>

I’m getting the following error when I try to Visualise my results using the “Visualize Results” component on the Grasshopper Plugin - Solution exception:The given key was not present in the dictionary. The results for …

---

## [Stream from results was null](https://community.oneclicklca.com/t/stream-from-results-was-null/743)

<div class="topic-metadata">

**Author:** [@Oswaldohb](https://community.oneclicklca.com/u/Oswaldohb)\
**Replies:** 7\
**Last updated:** [March 7, 2024, 1:46pm UTC](https://community.oneclicklca.com/t/stream-from-results-was-null/743 "2024-03-07T13:46:54Z")

</div>

Hi guys. While working on a project using Grasshopper, I received a message after running the simulation saying “Stream from results was Null”. So, I was wondering why is this happening? In the image you can see the pro…