Voronoi mushroom lamp with USB power supply

This is a remix of Voronoi mushroom lamp https://www.thingiverse.com/thing:784917
I changed the power supply to USB micro. Now it is also possible to give this mushroom lamp away. Almost everyone has a micro USB cable and a USB charger.
Additionally you need a 68 Ohm resistor, a Micro USB socket and a 5mm Rgb Rainbow Slow Flashing LED.
The Micro USB socket should be slightly sanded on the adhesive side, then the bonding will hold bombproof.

5 pieces Micro USB socket about EUR 1, - :
https://www.ebay.at/itm/5Pcs-Female-Micro-USB-zu-DIP-Adapter-Konverter-2-54mm-PCB-Breakout-BoaAB/153090448632
20 pieces 5mm Rgb Rainbow Slow Flashing LED about EUR 1, - :
https://www.ebay.at/itm/20-Stucke-5Mm-Diffused-Rgb-Regenbogen-Langsam-Blinkt-Rot-Grun-Blau-Led-Leds-ng/232301816723?hash=item3616446b93:g:eHQAAOSwAspbPdw3

I printed with a layer height of 0,1

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05.11.2018 Mushroom_bottom-USB_V2.stl added. It's easier to print without support..