A papermaker's fabric includes a set of top machine direction yarns, a set
of top cross machine direction yarns interwoven with the top machine
direction yarns to form a top fabric layer, a set of bottom machine
direction yarns, a set of bottom cross machine direction yarns interwoven
with the bottom machine direction yarns to form a bottom fabric layer.
The bottom fabric layer is stitched to the top fabric layer. The top
machine direction yarns and the top cross machine direction yarns are
interwoven in a series of repeat units and the bottom machine direction
yarns and the bottom cross machine direction yarns are interwoven in a
series of corresponding repeat units. Each repeat unit has twice the
number of bottom machine direction yarns as the number of top machine
direction yarns.