---
title: Edge Cut
description: Learn how to use the Edge Cut tool in Gravity Sketch to add extra geometry and cut lines on SubD surfaces for precise product modeling.
---

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# Edge Cut

Use the Edge Cut tool to add extra geometry to the SubD surface.

---

#### Access and Use

1. **[Open the SubD editing tools](https://gravitysketch.zendesk.com/hc/en-us/articles/5912997138333-SubD-Tools-Menu#:~:text=with%20SubD%20objects.-,Access,-You%20can%20access)**
2. Grab the Edge Cut and use the trigger on your drawing hand to add extra geometry point to the surface geometry
3. To complete the command, hover over to where you want the second point of the extra geometry and press the trigger on your drawing hand again
4. The extra geometry has been added to the surface geometry
5. Select the blue check mark to finish editing

![](https://www.notion.so/image/https%3A%2F%2Fmedia0.giphy.com%2Fmedia%2FOOeTWiBB5aQi4uTudz%2Fgiphy.gif%3Fcid%3D790b76117f8c24573c3df2fd21701576629c884b5d2efc93%26rid%3Dgiphy.gif%26ct%3Dg?table=block&id=a579f10b-210f-4123-b244-b8a20315e292&cache=v2)

Use this tool to make cut lines in products.

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