The connector A for the SMARS modular robot redesigned to allow vertical peripherals. It is a direct fit for the modular attachments (albeit a little tighter).
It has two .stl files, one with no supports and one with custom supports. I would recommend the custom supports model.
SMARS_Connector_Vertical_No_Supports.stl | 597.7KB | |
SMARS_Connector_Vertical_Supports.stl | 758.7KB |