@raven: Seems to be exactly as I guessed :)

<pre style="white-space:pre-wrap;">
g Sphere01
usemtl wire_227153153
s 1
f 1/1 2/2 3/3 
f 1/4 3/3 4/5 
...

<span style="font-family:Arial;">There is a "usemtl" between "g" and "s", but the order after "g" shouldn't matter.</span><br></br>

 

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