I made several when I was a kid, just from pictures as I recall, no plans. Used plywood, and worked fine. But a large chunk of whirling plywood coming back at you definitely makes you nervous. I did not keep mine long.
"It ain't what you're told, it's what you know." - Granny Weatherwax
Fawkahwe tribal police SWAT Team
Some days, the supply of available curse words is insufficient to meet my demands.
.....Call me a craftsman, artisan, or artistic, and I will accept that. Call me an artist and you will likely get a quite rude comment in return. I am not a @#$%ing artist.