So, I modeled a support block, and experimented with how many sprues it takes to hold things together while printing, but cleanly and easily separate after.
The first print at 45° had deformation in the screw holes - the slicer complained about overhangs a bit - so I'm trying again at 60°, which eliminated the overhang warnings.
With this support block, and a tapered cutout in the bottom, I've reduced the surface area of the first layer from ~4,000 mm^2 to ~500 mm^2
Good enough.
[#]3dprinting
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