Solidworks and Inventor receive a lot of attention, and so we tend to forget the surprising number of other MCAD programs ...

gdsMacroCell CAM_4R4W SRAM_1R1W SRAM_2R1W_HY SRAM_4R4W SRAM_4R4W_AMT SRAM_4R4W_FREELIST SRAM_4R4W_PAYLOAD SRAM_8R4W_PIPE SRAM_8R4W_PIPE_NEXT SRAM_8R4W_RMT SRAM_8R8W ...

BOSL2 introduces the concept of "attachables." You can do the following things with attachable shapes: Control where the shape appears and how it is oriented by anchoring and specifying orientation ...