Can I "cut" edges on same mesh with extruding inwards?
93009
How do you extrude a shape without outer faces and edges?
156056
How to cut out one shape from another using Photoshop?
2132
How can I duplicate a mesh along a curve?
41260
Bevel specific edges
95903
How to cut and paste part of a mesh to another mesh?
96921
Is there a way to split a hollow mesh by faces?
114260
Is there a simple way to cut a face or add an edge to an existing face?
22126
Splitting pieces of a mesh into a new object
143722
Custom hard edges in Blender
3901
How to cut holes in an object using another object?
111924
How to fill a mesh inner geometry to make a completely solid model
141358
How to hide "internal" polygon boundaries?
64728
Is there any way to remove edges causing a loop?
1320
Merge multiple meshes into one single mesh?
15041
How can I make some edges on my model sharper and others more rounded?
16429
How to extrude inwards without leaving faces?
44442
Is there a way to unfold a mesh?