Set up "bluetooth hc-06" on pcb
The board is castellated, with a cut-away through-hole pattern on the edges.  Such items are typically mounted onto SMD (surface mount device) pads on PCBs.  If you search for the datasheet of your module, you'll get some precise math for the pattern of castellations that you could design a SMD footprint for in a CAD package.  There are dxl and eagle footprints available HERE, with no assertions on my part as to whether they're correct or not. You should be able to import the DXL into many different CAD packages.

You don't mention your background or environment, but your question seems to indicate you're in over your head.  I suggest working closely with your teacher.