Yahboom Raspberry Pi Cluster Case 6-Layers Acrylic Dog Bone Plate Stack Clear Case Box Enclosure Case for Raspberry Pi 4B / 3B+ / 3B / 2B / B+ (Without Raspberry Pi)

Package include:
6x Acrylic layer
1x Top screw
5x Middle layer screw

Installation steps：
1. Remove the film from each acrylic panel(The film is transparent)
2. Put aside the panel
3. Select one of the four plain acrylic panels
4. Push the threaded end of a steel screw through the bottom of the panel
5. Slide a plastic spacer over the steel screw; repeat these two steps (4 & 5) with three more screws
6. Align the holes on a Raspberry Pi 2 motherboard with the four screws. Lower the motherboard, guiding the screws through the holes
7. Secure the motherboard by threading a nut onto each of the screws. Finger tighten -- do not use tools or you may overtighten
8. Repeat steps 3-7 with the next three plain acrylic panels. For any panels that do not have a motherboard, just thread a nut onto each of the screws.
9. Select one of the assembled plain panels as the case bottom panel
10. Push the threaded end of four (4) short brass posts through the corner holes in the case bottom panel
9. Align a long brass post with the threaded end of the brass posts in each of the corner holes and turn the long brass post until finger tight
10. Stand the bottom panel on the short posts with the long posts extending up from the panel
11. Push the threaded end of the four long brass posts through the corner holes of the next panel that you want to attach
12. Repeat steps 9 and 11 until all four plain acrylic panels are attached
13. Push the threaded end of the top long brass posts through the panel with the Raspberry Pi logo
14. Secure the top panel to the posts using four round-head nuts
15. Assembly is complete

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