USB / SD card / Pen Cradle

Wanted a place to organize my USB drives / SD cards and pens at work, so I created this. It fits in the feet of this type of dual-monitor stand: MonMount Dual LCD Freestanding Monitor Stand Up to 24-Inch, Black (LCD-6460B) [https://www.amazon.com/gp/product/B0036ISPSW/ref=oh_aui_search_detailpage?ie=UTF8&psc=1].