This weekend I’m hoping to put together Neon skid plate version 1.0. It’s going to be aluminum and UHDP (plastic). Here are some of my scribbles regarding the design. I’m not sure this can help anyone, but I’d like to document it here for future reference.

Page 1: This is an underside overview with some arbitrary measurements.
Page 2: The dimensions of the finished design. Some of my ideas for what should be plastic and what should be metal.
Page 3: Side view detailing the issues with the engine clearance and the front plate.
Page 4: Possible attachment methods using a metal C channel.