Now we are getting serious! ;-)
This is the assembled fuselage.
The completed engine tubes. I made a mistake by attaching the inserts the wrong way. These pictures here show the intended configuration. Please note that the seam lines on the rear inserts and on the tubes must match.
The wings are attached to the side engine tubes. Then the tubes are put into the slots of the fuselage:
The fit is good and the parts are perfectly aligned:
The high engine is glued into place:
And the fin:
