Hey Ben, I totally understand. Your design, keep it safe!
As for the process, I ask because I wonder about the durability of the 3D printing. I'm an engineer myself and we use Viper SLA machines for prototyping designs. They can be very high precision but the material (usually translucent) always yellows and becomes brittle within months. You can probably imagine what I'm getting at... Additive ABS might last longer if its strong enough. I'm no expert though, does your shop have other options?
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