Table of contents
1. Face operation
1.1 Surface cutting
Cutting tool Knife, shortcut key k
to select a face
. Press the k key to enter the cutting tool (it is recommended to use the shortcut key to cut). By default, the vertices are absorbed. When pressing the Shift key, the midpoint of the edge is absorbed.
Press Enter/Space to confirm. Or press Esc/right mouse button to cancel
1.2 Overall segmentation
Click the tool to directly perform the overall segmentation.
The first choice is to select multiple faces.
Click the segmentation tool
to draw a plane and perform segmentation. Fine-
tuning
1.3 Normal direction of the surface
The normal direction of the surface is Normal, which represents a frontal orientation.
View overlay, turn on the display of normals. The blue line represents the normal direction of the surface. The extrusion operation defaults to follow the normal direction.
1.4 Front and back
A face has two sides: front and back. In the view overlay, check "Face Orientation" so that the front side is blue and the back side is red.
View coloring method, check "Backface Culling", the background will be displayed transparently
1.5 Flip normal direction
Flip the normal direction, that is, flip the face
. Select the face: Menu - Grid - Normal - Flip
1.6 Filling surface
Select a circle of edges and fill it with a face.
Press the F key to fill the face with a grid (an even number of edges is required).
1.7 Troubled angle
Select the face and click chamfer (shortcut key Ctrl+B).
When the periphery of the face requires a curvature, you can perform chamfering. In fact, it means chamfering the corresponding edge.
1.8 Cyclic surface
That is, connected faces:
face mode, Alt+left mouse button (when selecting a vertical face, click on the connected short side)
1.9 X-Ray perspective mode
In X-Ray mode, the surface is displayed transparently, and the mouse can penetrate and select back lines or points.
Turning it on can assist viewing. It is recommended to turn off the perspective mode after the operation.
