[tpstorey]

I slapped this together to cut triangle stock out of blue foam or Depron. The triangle stock adds considerable strength to wing/ fuse joints, etc with almost no weight.

 

[BIZZARO]

I use a tool like that to bevel the hindge lines on foam.

 

[PaulSwany]

I used some tri stock on the last esledge I built.. Really worked good.. Nice idea!!