Built a rear wheel with R390 rim

Another wheel build today (and so on).
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I built a rear wheel using an ALEXRIMS R390 rim.
20 inch WO, ETRTO 451mm rim.

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Evo disc hub, 32H black strong / #15 leader
46 JIS lacing, unbraced.

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I wanted to do 48 lacing, but because the rim diameter is so small,
the spokes were likely to interfere with the reverse spoke head, so I decided against it.
The image above shows a trial fit using 8-spoke length spokes, and
the spoke path would probably improve slightly,
but it was certain that the spoke path would catch on the spoke head,
so I abandoned the 8-spoke idea.

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↑Actually (6-spoke) it looks like this

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↑Freewheel side: strong (#13 at neck, #14 single-butted thereafter)
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↑Non-freewheel side: leader (#15 plain)
The gap in the flange holes opposite to the spoke direction is quite different.

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