Bandpass wizards I need help

[Pondiflr]

What’s up everyone I’m new to the site. I’ve been installing car audio for sometime now and wanted to take the next step in building a nice bandpass box for my ride. I will be using 2 12” Txx-bd2. I tried using winlsd on my slow pc but it isn’t doing justice for me. I see this place is very helpful and knowledgeable towards others and wanted to see if someone can do a cut sheet for me with the dimensions or sketch up. I would greatly appreciate it. I attached picture of the box design I need. Thanks