My quad looks like two triangles
7424
Flat quads (or, why is my mesh so funky?)
24740
How to curve my mesh
153566
Why subdivided faces with smooth shading acting weird?
13469
Why does the mirror modifier sometimes give me an overlapping mesh?
17173
Why is the curve modifier deforming strangely?
150598
Mirrored mesh splits when manipulating bones
57899
How to fix the weird surface in fluid object
17614
How do I space quads evenly?
102923
How two build Shapes like this Sunsail?
93340
Cannot translate vertice/edge will duplicate
11111
Strange black shading. Cannot fully light mesh. (Cycles)
103172
showing certain vertices form an equilateral triangle
10772
Equilateral triangle inscribed in a ellipse
51543
Bones moving wrong part of mesh?
44547
How can I subdivide this plane into even squares?
15135
Find angle UFO in the picture attached
9008
Bones are deforming the mesh at different rates. Is there a way to fix this?