First I wrapped the rattan with a layer of 1/2" camping mat. Basically I just cut a piece of foam that made a tube that would very snugly fit over the rattan. I used a strip of duck tape to tape the tube together then slipped it over the rattan and taped it on the ends.
For the "blades" of the spear I cut triangles out of a double layer of 1/2" foam (hot glued together) and then hot glued them to the sides of the foam tube. Then I ran strips of duct tape on both sides of each blade for extra strength. Then I used a pair of scissors to cut the bevel of the blade.
I capped it off with 3 layers of 1/2" foam carved into a cone shape.
Here's some
fabulous ASCII art to illustrate ;D
Cross section:
_______
/ \
__________/ _____ \__________
/ / \ \
/__________| |RATTAN| |__________\
\ \_____/ /
\__________\ | /__________/
\ ___|___ /
Lengthwise cross section:
/\
/__\
/ \
/______\
/ \
/__[color=yellow]________\
/|[/color] | | |\
/ | | | | \
| | | R | | |
| | | A | | |
| | | T | | |
| | | T | | |
| | | A | | |
| | | N | | |
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\ | | | | /
\___| | | |___/
| | | |
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|_| |_|
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If you have any other questions let me know and I'll try to get some real pics up :)