Shaded Shaping

This truck is parked in the builders' yard on the way out to the old lifeboat house, so I pass it fairly often.  Sometimes it's not there, presumably out on a job.  But what caught my eye was the way it's shaped in flat sections; the light creates the effect of painted stripes.
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(13.6.20) And that afternoon, the external HD with my photos on it expired unexpectedly.  Hence the delay while I recovered them from various sources, and did some much-needed maintenance on the LR catalog.