RCA XPress Fishbone Diagram Builder Cost: $195 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions RCA XPress Fishbone Diagram Builder: RCA-XPress Fishbone Diagram Builder is a powerful tool to dynamically create fishbone diagrams (aka ishikawa diagrams) in a WindowsB. desktop environment. RCA-XPress real-time fishbone generator takes the difficult challenge of drawing fishbone diagrams to a level of ease never before seen. You simply enter the probable causes and RCA-XPress does the rest. To permit you to be more productive, we have created an advanced WYSIWYG probable cause ask-why editor.