This picture is a good illustration that -at least for me- the 8mm DIY scanner is a journey.
From top to bottom:
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The first light with LED strips arranged
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Same for the second with better box and better diffuser
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First sphere trials using an oversized ping pong ball and LED strips
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Second sphere trials with smd LEDs.
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And lastly, the PCB to assemble the new light/sphere.
And this is how the assembled sphere fits and looks: