Please, more color options for trains.

[[UA]Ramiel]

Four is fine as long as you dealing with Normal, but falls short on Insane.
Shapes are 5 layers tall, and when it comes to building and supplying MAM, it's gonna need five sets of paint and basic shapes multiplied by a number depending on whatever approach you use. And it's still completely doable with 4 colors, but at the same time messes up train tracks arrangement.
I have 4 trains on one track, but I need 5 to go to the same "module", so I need to take 1 additional train from another track, so only 3 trains remaining and for the next module I need to "borrow" 2 trains from another track and so on.

[tobspr Games]

Planned for Update 1 :)

[mindwhip]

Try different ways to use trains that don't need as much routing such as having longer trains that do more, using spacer carriages and other stuff. I don't think I've used any track routing at all in my MAM which works for everything in insane except the more complex pin and crystal setups which is more about the machine configuration than the resource supply (and i'm working on that). I only have two lines actually running into my MAM, one with the 4 basic shapes and one with the 7 paint colours and they stop at each shape quadrant for each layer so 16 times for a normal and 20 for an extreme MAM. Enough incoming supply trains and it more than keeps up.