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    Vec3f p0, p7;
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    Vec3f p0, p7;
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    m.get_bbox(p0, p7);
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    m.get_bbox(p0, p7);
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    Vec3f d = p7-p0;
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    Vec3f d = p7-p0;
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    float s = 1.0/d.max_coord();
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    float s = 1.0/d.max_coord();
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    cout << p0 << p7 << d << s << endl;
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    cout << p0 << p7 << d << s << endl;
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    Vec3f pcentre = (p7+p0)/2.0;
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    for(VertexIter vi = m.vertices_begin(); vi != m.vertices_end(); ++vi)
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    for(VertexIter vi = m.vertices_begin(); vi != m.vertices_end(); ++vi)
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    {
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    {
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				vi->pos = (vi->pos - p0) * s;
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				vi->pos = (vi->pos - pcentre) * s;
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    }
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    }
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    m.get_bbox(p0, p7);
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    m.get_bbox(p0, p7);
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    cout << p0 << p7 << endl;
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    cout << p0 << p7 << endl;
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