Starting with the Tamiya motorcycle. So far the Voyager PE has been a bit of trouble with poor instructions IMO. The worst part was the rear seat support. The instructions are vague but it looks like they show the parts installed upside down. I'm not using a lot of the PE braces; they are just too fiddly. right behind the motorcycle you can see a jig I modeled and 3D printed so I could bend the spoke parts easily. It made a huge difference.
Miniart was nice enough to provide a jig and enough PE for two tries at the grille but I ruined them both. I think it needs to be soldered like Uncle Nightshift did on his. 3D printing to the rescue!