Blender - face

Chọn face

Chia face

extrude

f Từ khung thành face

outside - inside

CTRL-N. Calculate Normals Outside. All normals from selected faces are recalculated and consistently set in the same direction. An attempt is made to direct all normals ‘outward’.

SHIFT-CTRL-N. Calculate Normals Inside. All normals from selected faces are recalculated and consistently set in the same direction. An attempt is made to direct all normals ‘inward’.