This is a case design for HackRF One following the Dangerous Prototypes Sick of Beige style: http://dangerousprototypes.com/docs/Sick_of_Beige_compatible_cases The dxf file can be opened by QCad or LibreCAD. HackRF_One_Case_With_Button_CutOuts.dxf is a version which have edge cut-outs for the buttons so that 5mm or 6mm standoffs could be used. Have fun. scateu@gmail.com