This is a paper pieced block.
Supplies:
Paper
Scraps of your choice
Ruler with 1/4 inch mark,
Rotary cutter
Iron
Instructions:
Print out all the block pieces
Sew all the Pieces
Sew Part A with arrow pointing left to Part B Diagram
Sew above unit to A again with arrow pointing right Diagram
Make two units like this
Sew one unit with A,B to unit CDiagram
Finished