A stackable case for the Ettus Research "Universal Software Radio Peripheral" B210 or B200:https://www.ettus.com/product/category/USRP-Bus-SeriesA complete case consists of three parts: - USRP_Case_Vxx.stl - USRP_TopLid_Vxx.stl - USRP_RearCap_Vxx.stl The file "USRP__OVERVIEW.stl" ist just a visual representation of what you'll get and is not suitable for printing. The models in the STL files are already rotated and moved to a position ready for printing. Notice that you'll need 7 SMA connector nuts (5 for the B200). They can be obtained via Digi-Key: http://www.digikey.com/product-detail/en/NT-SMA-N/NT-SMA-N-ND/3045498 or http://www.digikey.com/product-detail/en/132-NUT%20SMA%20GLD/ACX1937-ND/3088322