al - polygon mesh compressed - 12 bits precision(download source)

number of bits in code_conn array: 8787
number of bits in code_geom array: 71776(*)
number of vertices: 3618
achieved conn compression: 2.429 bpv or 1099 bytes ( 952 / -15.4% )
achieved geom compression: 19.893 bpv or 8997 bytes ( 10344 / 13.0% )
(in brackets the touma & gotsman rates and the gain in percent)

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view java console for coder control output

(*) plus 6 * 32 + 5 bits for 6 floats (e.g. bounding box) and a 5-bit-integer (e.g. precision bits)