Besiege looks pretty freaking neat.

http://9gag.com/gag/aKPep46

When your ship explodes in KSP there's a log that tells you everything that happened.

There's no log telling me why my rocket deviates to the right when i use symmetry mode only. There's no log telling me why my aerodynamics are bonkers for my plane when i built a proper one that should work.

And if any answer to a question is "use math" im gonna say no. I see plenty of math, i don't need to math up my games.

Your rocket deviates because you have a mass/thrust/aerodynamic imbalance.

Your aerodynamics are bonkers because KSP's aerodynamics are bonkers.

Devak : while in hangar you can turn on the center of mass / center of thrust / center of lift pings to be able to be certain about those things.

often times symmetry might have been of for a bunch of pieces that are hidden under the rest. Clipping is allowed.

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not sure why i still bother talking about this. I've already tried everything suggested AGES ago. It didn't work. That's why i hate it.

I recently found this and had to necro the thread to show it.
Because oh my god.