C - Body of the satellite
Cut out the body of the satellite C.
Cut along the two red slits.
Run the blunt side of the scissors along a ruler to score the body and flap fold lines.
Fold down all flaps.
A - Instrument
Cut out instrument A.
Score the flap fold line.
Fold down the triangular tabs.
Roll and bring A-1 to A-2 to make a cylinder.
Glue flap A-1 to the inside of the cylinder.
Glue the instrument on the body of the satellite in C-3, red arrow in front of red arrow.
D - Mirror
Cut out the mirror D.
Glue to the body of the satellite, inside the instrument, red arrow in front of red arrow.
B - Interface ring
Cut out interface ring B.
Score the flap fold line.
Fold the triangular tabs down.
Roll and bring B-1 to B-2 to make a cylinder.
Glue flap B-1 to the inside of the ring.
Glue the interface ring on the body of the satellite in C-4.
E - Tank beams
Cut out the tank beams
Glue to the body of the satellite, inside the interface ring, with the lines aligned.
C – Body of the satellite
Fold the 6 panels to make a box.
Glue flaps C-1 to the inside of the body.
F & G - Solar arrays
Cut out solar arrays F and G, following the external dashed lines.
Glue solar array F onto solar array G, red arrow on top of red arrow and green arrow
on top of green arrow.
Slide the solar array into the two slots you cut in the body of the satellite, with their blue face towards the interface ring.
C - Body of the satellite
Close the body of the satellite.
Glue flaps C-2 to the inside of the satellite's body.