You do need to have servo slowing at the Tx, the wea servo slowing will not work. If you use Wea servo slowing it doesn't follow the curve, it just goes end to end as if on the usual diagonal slope.

The following shows the door curve I use on my EE Lightning which is a simple doors open-shut. For doors shut-open-shut just put in a raised bit at the left end so that the curve is symmetrical left to right.

You have to time where in the door sequence the legs do their bit, you want the legs to start coming up at the start of the sequence, not at the mid point, so use similar curve to the doors but shifted to the opposite end.