Screw tightening ball joint articulation,  turret rotates, gun moves up and down, sideskirts move as well. Prints, sand, paint.  Tested with 0.2mm and 0.1mm layer height and at least 20% infill. 

You also need 6x  M2.5x8 and 1xM2.5x12 socket head bolts and nuts and some wire 1mm in diameter (e.g.: paperclips).  

Video: YouTube instructions:

Hjalzer LEG_lower_left_bolt_armor.STL   -print1x and print1x mirrored,  supports integrated in model 

Hjalzer LEG_lower_left__nut_armor.STL -print1x and print1x mirrored, supports integrated in model 

Hjalzer HULL_armor_front.STL                    -print1x,  supports needed 

Hjalzer HULL_armor_back.STL                     -print1x,  supports needed       

Hjalzer HIP_armor.STL                                      -print1x and print1x mirrored, no supports 

Hjalzer TURRET_armor.STL                             -print1x,  supports needed 

Hjalzer LEG_upper_left_nut_armor.STL  -print1x and print1x mirrored,  supports integrated in model 

Hjalzer LEG_upper_left_bolt_armor.STL -print1x and print1x mirrored, supports integrated in model 

Hjalzer LEG_upper_left_nut.STL                 -print1x and print1x mirrored,  no supports 

Hjalzer LEG_upper_left_bolt.STL               -print1x and print1x mirrored,  no supports  

Hjalzer LEG_lower_left_nut.STL                 -print1x and print1x mirrored,  no supports  

Hjalzer LEG_lower_left_bolt.STL                -print1x and print1x mirrored,  no supports  

Hjalzer HULL.STL                                                -print1x,  no supports  

Hjalzer HIP_ball.STL                                          -print2x,  no supports  

Hjalzer GUN_barrel.STL                                  -print1x,  supports integrated in model 

Hjalzer GUN_ball.STL                                       -print1x,   supports needed 

Hjalzer FOOT.STL                                               -print2x,  no supports  

Hjalzer TURRET_clevis_nut.STL                 -print1x,  no supports  

Hjalzer TURRET_clevis_bolt.STL               -print1x,  no supports  

Hjalzer TURRET_ball.STL                               -print1x,  no supports  

Hjalzer TURRET.STL                                         -print1x,  no supports  

Hjalzer RANGEFINDER_left.STL              -print1x and print1x mirrored,  no supports