he's asking if you want the cross section of the tubes to be triangular as opposed to circular no?
http://farm9.staticflickr.com/8088/8433335157_dbf2edd78a_b.jpg
or
http://img542.imageshack.us/img542/3181/velo1.jpg
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he's asking if you want the cross section of the tubes to be triangular as opposed to circular no?
http://farm9.staticflickr.com/8088/8433335157_dbf2edd78a_b.jpg
or
http://img542.imageshack.us/img542/3181/velo1.jpg