Iron Man MK4 Retractable Back Piece (Wearable)

This is 2013 project, many viewer told me the download link no longer works, so this is an improved Mark 4 PDF, for details please read this old post first

Hot glue
Masking tape
- Red, Gold spray Paint
Acrylic paint

Free PDF:

Buy ready to print PDF from etsy:

how to make retractable back piece?

Part 1:
Part 2:
Part 3: