To merge vertices they have to be in the same object. Although more than one object can be selected to be seen in Edit mode, it does not mean their vertices can interact. Objects are separate containers of meshes. Select both objects Press Ctrl J, to join them into one mesh.

How do you merge vertices in Blender 3.0?

To merge elements together, first make a vertex, edge or face based selection then from the Mesh menu click Merge (Mesh » Merge) – alternatively press the M key.

How do you merge in blender?

Without further ado, here are the steps to join two objects:
Select the first object by left-clicking on it. Once selected, hold down the Shift button and then left-click on the other object. Now with every object selected, click on the object menu, or press Ctrl + J.Click on the Join button found in the object menu.

How do I merge two edges in blender?

There’s many ways to do this.
Select the middle vertex and dissolve it with ctrl-x (not sure if this will actually work).Select the middle vertex, then select one of the connected vertices (or vice versa). Use alt-m to merge them.Select the middle vertex, hit g twice, slide it all the way to one of the other vertices.

What does Ctrl J do in blender?

CTRL-J. Join Objects. All selected Objects of the same type are added to the active Object.

How do you combine two objects?

To merge objects into a new one that has all properties of the merged objects, you have two options:
Use a spread operator ( )Use the Object. assign() method.