@von_Haller , excellent work and thanks for sharing!
For the smoke discharge cover, you can make the cover using some epoxy putty or even some aluminum foil.
Some reference photos to help:
Interestingly, this one from Reforger 1982 has the “uncovered” dischargers. Hmmm.
Regarding the “ball” of the crosswind sensor, when I was CADding one for 3D printing, I read that the tankers usually stored the ball away bc it was easily damaged. So instead of putting up the inaccurate solid ball, you can simply depict it as one without the ball like below and as shown in the reference photos above.
Talking about breaking things during Reforger, here’s a photo with a broken Whoopie light:
More reference photos on another forum chain: M60 Tank Reference