Cable 5 sash p2psu (21) gp_000370 $33.00 USD

Cables seem to have almost the same effect as cross-hatching: they give the eye a rest.
These prove a most useful alternative.

the block is quickly placed: while the 'block' sews out as a regular block, it is placed using the p2p function.
the registration point is at exactly half the height of the block.
once you have determined the height you want the pattern to sew at, all you have to do is find the centre point at each end.
on this pattern, the registration point has been set out from the tip of the sash.
It has been set at half the distance between the cable lines.
This means that where the cables turn, all the outer lines of each cable's corner are at the same distance from each other as their inner lines are. (see sub image)
points at 'cornerstone' intersections meet perfectly (and isn't this what is always noticed - especially if they don't!)