I uploaded a video for it on YouTube: Click here!
First off - Disclaimer: xP
I don't lay claim to the idea behind the units or the origami. I got this from a book that my dad bought me about 5 or 6 years ago (?) and I can't remember the title or author. :/ If anyone knows, let me know and I'll credit them here.
OK... so umm... I guess download for the full-sized file
or what have you. I had to split it between pictures and diagrams, but I'm too lazy to diagram everything and it's not clear enough if i just take pictures. xP
Step1: Using a square piece of paper, colored-side down, fold the paper diagonally in both directions and unfold.
Step 2: Fold two opposite corners to the center.
Step 3: Fold once again, to the center.
Step 4: Fold the two pointy ends in.
Step 5: Fold the two sides diagonally so that the crease made by the folds in Step 4 meet with the folds made in Step 3.
Step 6: Tuck those triangular flaps into the flaps beneath them. Turn the piece over.
Step 7: Fold the pointy ends in so that you make two triangles at the ends. Turn the piece over again.
Step 8: Fold diagonally so that the crease matches up with the space between the two flaps folded in Step 7.
Step 9: Unfold the unit until you get to the point here (basically, you unfold until you get back to where you were in Step 6.)
Repeat 30 times to make enough units for the ball.
Putting the ball together:
Basically, the ball is assembled from the units by putting the "flaps" (labeled "F") into the "pockets" (labeled "P"). The pictures pretty much explains it all.
The only other things I want to explain are:
- It takes 3 units to make the first triangular piece... thingy.
- For each of the adjoining triangular piece, it takes two more units.
- Keep going around until you get five triangular pieces fitted together. The piece seen in the very last picture required 10 units to make.
If you have any questions or need clarification, comment or whatever and I'll see what I can do.