Quoted from Soulrider911:You got me thinking... here we have the WIP protector + deflector to prevent ball drains. This is made of a 3d printed material that is super tough and rubbery in compund. Still in the testing phase but so far looks promising.
Cheers
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Loving that!!! I swear I've seen something like this prior, just can't find it.
Regarding the subway....I think metal is fine, but a polished version w smooth, bent angles would be a great answer...
I don't know an injection molding shop, but have a very, very solid metal fabrication shop that I have a great relationship with...used them on another pinball project..