Sigma TANDEM VECTOR Owner's Manual page 51

SIGMA TANDEM SYSTEM OWNER'S MANUAL
The dressed width of the canopy should be 1 to
2 inches wider than the width of the reserve
pack tray.
The use of packing paddles to make S-folds will
help maintain line tension and precise fold lines
as seen in the next photo.
Pack job view after the half S-fold.
11301 - 00.00.0000 Section 2: Equipment • Chapter 3 - Packing the Reserve w/ Skyhook Page 13:X