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7
Polygon Reduction
Can also start from most complex model and pare down to its most fundamental shapes, retaining what is visually most important. Left: 654 triangles. Middle: 210 triangles: Right: 22 triangles.
Deleting polygons by hand. Total control over simple shapes. 113 triangles.
Keep the general hull of the model when making a reduced version. This helps when creating LODs. Left: 76 triangles. Right: 18 triangles.