can you extrude an edge coplanar?

Support Modeling
1

i have a face and i would like to extrude one edge coplanar in regards to the face, like making the face longer but having the extra extruded face. does this work in blender and how?

2

hello
set select mode to edge select and select the edge, press E key , then
alt + spacebar and select the normal from popup menu
then move the new edge from arrow. That should do it

3

Press the “Hand” icon so that the transform widget is active. Change the drop down menu close to it to “Normal” – select the edge, extrude, esc, and use the widget to move the new edge coplanar.

GreyBeard

4

thanks for the tips. i will try them out tomorrow.

5

i tried to follow your tips but maybe i am doing something wrong. see the attached screen pic. it shows the object and the selected edge. i want to crate a new face going “down” to enlarge the face “on top” of the edge. but the normal of the axis is not coplanar (within the face).

when i press e and then move the mouse or arrow keys even if i try to restrict to an axis the resulting new face is nowwhere near coplanar.

please forgive me if am doing something wrong but i am more of a beginner.

Attachments

blenderscreen1.jpg1024Ă—620 86.8 KB

6

I can’t get this to work right with Normal coordinates either. However if the face is perfectly flat, you can use this workaround:

Select the entire face from which you want to extrude. Press Numpad-* to align the view to the face. Instead of setting the widget to Normal, set it to View. Select your edge, E to extrude, and use the widget to drag it coplanar (or just use the G-key for less constrained movements in the viewing plane).

1 Like
7

And while it’s in the topic.
Is it a lack of feature that xkey,ykey,zkey constraints in tranform actions always are in global system, regardless of what system I’ve chosen?
Or did I miss something?
It works as I’d like when I use the widget, but not with the key contraints.

Be well

8

@reywillow:
Pressing X Y or Z once constrains to global coordinates.
Twice (such as R-Z-Z) constrains to local coordinates.

Shift-(axis) locks an axis and constrains transformations to the remaining plane. Example: S,Shift-X constrains scaling to the global YZ plane. S,Shift-X,Shift-X constrains scaling to the local YZ plane.

9

thanks for the num* tip. this is a good workaround!

10

Thanks a lot! That will make my day! And if I press three times, will it constrain to Normal coordinates? (just asking)

Be well

11

@lightning: glad it works for you

if I press three times, will it constrain to Normal coordinates

Hehe, I wish there were a Normal hotkey but no, 3 times just turns off constraints.