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Face Set
For each triangle, store the position of all vertices.
vertices
triangles
positions
floats
bytes

Shared Vertex
Store one list with positions of all vertices. For each triangle, store three indices into the vertex list.

For the vertex list:
vertices
positions
floats
bytes

For the triangles:
vertices
triangles
indices (i.e. ints)
bytes

Total
bytes

Triangle Strips
Store a list of vertex positions. Each triple of vertices in that list defines one triangle. (Note: triangles have alternating winding)
vertices
triangles
positions
floats
bytes

Representing general triangle meshes as triangle strips:

• Apply 1:3-splits to allow for flexibility in mesh traversal.
• Generalized Triangle Strips: Store 1 additional bit per vertex, telling whether to replace the oldest or second-oldest vertex from the current triangle.
• Use multiple triangle strips for one mesh