Parametric USB charging hub
thingiverse
Raising the height of the back cover ensures the power block doesn't protrude excessively after assembly is complete. To achieve a smoother finish, I've increased the facet to 50, even if it may not significantly enhance print quality. When printing the power hub, I highly recommend using 0% infill for this part as it requires no structural support within its volume. However, applying at least 7% (lines) infill to the cover is necessary to prevent overhangs from collapsing without sufficient internal reinforcement.
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