CISRA Puzzle Competition 2012 - Hints

4D. Fabrication

• We've provided no clues, but you can still put together crossword grids out of whole cloth. Use your craft skills to build four at a time.
• All eight grids follow the usual conventions of crossword grid numbering and rotational symmetry. Except for those strange white arrows.
• Well the arrows must indicate something. Do we have to spell it out for you?