SeeMeCNC DropLit Assembly Manual page 18

Go ahead and insert two more of the nuts along the long edge of the cover side as shown below.
Fig. 3-6: First three nuts installed.
Lay the Cover Front flat on the table and align the cover side as shown – there's only one
correct way, where all three screw holes align.
Press the tabs from the side into the slots on the Cover Front and then lay it over on the cover
side so you can insert three #6-32 pan head screws in the mounting holes. Thread the screws finger
tight.
Fig. 3-8: Setting the mounting screws.
DropLit Assembly Guide
Fig. 3-7: Cover side alignment.
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