Soldering SMD components on flexible PCB

We take the Light Square freshly created from our earlier blog: https://medium.com/@cinlin/diy-flexible-circuit-boards-58c3794ed0cb
I am adding dots of epoxy to better hold the LEDs on the panel.
Partially populated Light Square LED panel
Initial reflow result before testing
Test run after reworking. During rework flux residue may remain all over the board
The end result!

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