I'm trying to fill empty space in my mesh, and I looked at the knife tool page on the Blender Wiki, and I'm not sure if there's a way to make it so that a new edge is made using the knife tool. I took a screenshot, and hopefully it'll explain better than I can of what I'm trying to do. Oh and I'm using Blender version 2.71, by the way.
2 Answers
In your particular situation, it looks like the bridge tool is what you want. Select two or more edge loops with AltShiftRMB, and then connect them with W>Bridge Edge Loops:
Fill
To do exactly what it looks like you are trying to do in your screenshot (connecting two vertices with an edge), select the two vertices and press F to create edge/face.
If you have the bundled F2 addon enabled you can create a new face from the selected edge and the surrounding vertices by pressing F again. The side on which the new face is created is controlled by the cursor position.
Knife
The knife tool is for cutting edges into existing faces:
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$\begingroup$ Did you manually select those vertices in the last gif? If not would you mind telling me what key you held down before selecting multiple vertices at once? $\endgroup$– MarieAug 13, 2014 at 7:33
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$\begingroup$ @Marie Click Alt+RMB to select edge loops. For more info: wiki.blender.org/index.php/Doc:2.6/Manual/Modeling/Meshes/… $\endgroup$– user1853Aug 13, 2014 at 7:40
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$\begingroup$ @Marie
Alt Shift RMB
to select multiple loops (Shift
maintains the existing selection) $\endgroup$– gandalf3 ♦Aug 13, 2014 at 7:48 -
$\begingroup$ This answer would be better if it noted bridge first (since this answers the question) $\endgroup$ Aug 13, 2014 at 9:27
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