You can make nodes horizontal in Inkscape by using the Align and Distribute tools.
Steps:
- Select the nodes you want to align horizontally. You can do this by clicking on each node individually, or by using the selection tool to drag a box around them.
- Open the Align and Distribute dialog box by going to Object > Align and Distribute.
- Select the "Horizontal Centers" option under the "Align" section.
- Click "Apply".
Additional Tips:
- You can also use the "Horizontal to Page" option to align the nodes to the left or right edge of the page.
- If you want to align the nodes to a specific point, you can use the "Align to Selection" option.
- To align the nodes evenly along a horizontal line, you can use the "Distribute Horizontally" option.
By following these steps, you can easily align your nodes horizontally in Inkscape.