Here is one I did on my 470. No reason it can't be replicated with a 460. Attachment on the bottom uses several M8x1.25 rivnuts installed into the factory door metal, M8x1.25 studs with spacers, then a piece of flat stock that bolts onto the studs and holds the bottom hinges. I have a similar attachment style for the upper brackets - M8x1.25 rivnuts, studs, then the bracket. At first the table was suspended with chains, now I use some friction tie-down straps. This is a super-sturdy table as it's relying on the metal door frame rather than the plastic.
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Also I'm old school and still use a Coleman 424

. I've had it for over a decade and it's also used for weekly coffee roasting. I like the use of liquid fuel ($13 of white gas lasts me a whole year), ability to adjust pressure manually based on temperature and altitude, ability to run unleaded gas in a pinch, and not having to mess with cylinders. I also use white gas for my smaller backpacking stove.