Just do some drawings and/or cardboard aided design haha
If there's one suggestion I'd give, it'd be more angles - I think 30 degrees is the optimum angle, but the ones on HardWired have worked wonders on top of the 6.5-ish mm Hardox. Perfect if you're worried about spinners again! That, and see if you can move that scooter motor down into the bowels of the machine a little more if it'll go, purely because it looks a bit vulnerable there. That, or protect it with some thicker material so that verticals can't get to it again!

Yeah, I'll give it a go eventually if it happens again, not sure what caused it - could be interference but on 2.4ghz I'm not sure that's likely... weird in any case. A lot of the spinning was me just giving up and trying to go all Melty Brain - towards the end of the event I just used to skid so it ended up being the most effective thing to do instead of trying to be all precise!