Here are some shots showing how I made the bat wings. First picture shows the blank and then the next picture shows the press brake tooling. A picture of the bent part and then a finished part after I glue the paper gaskets to each side.

DSC_9721 (Large).JPGDSC_9723 (Large).JPGDSC_9724 (Large).JPGDSC_9726 (Large).JPG