Meet Dylan, my friend’s study buddy whilst she is in the throes of revision. It’s been a long time since I’ve used a whole 15 x 15cm square of kami and not just a teeny bite-sized square, so this was a relief to fold.
15cm square of kami | Roman Diaz, diagrammed in “Origami Essence“
gabigami 
Great Model. I’m stuck at step 20 in the diagrams. I don’t know, I can’t open sink it…any help?