Okay - looks like the fitting is done!
Sounds quite easygoing - but was quite nasty...
Try on, pin down, hang it on the Dress Model, bast it.
Try again, pin off another bit, hang it over, bast again.
Repeat for about 4 more time. Then: All fitted, all basted!
And the really nice discovery: I didn't had to baste the sides: The lacing ist front _and_ sides!!
On the picture the side lacing is clearly visible!!
Now its time for needle and linnen thread!