Joined tables side-by-side and levelled with threaded rod and levelling blocks.
Screwed stand-off blocks to bench, added some long 10g screws, roughed them up and 5-min flox'd MLG strut on LE down. Seemed to work easiest to prop it in position, lift the strut at each point and butter some 5-min flox on, and leave a little while before playing with it.
Tried hot glueing the coreflute backups for the fairings, worked OK, but they have to come off as the first torsional layup comes first.