I have made t' stl files and instructions available at this link https://www.thingiverse.com/thing:3838484 t' motors used for this launch were estes, a D12-0 for stage one and a E9-6 for stage two. I'm curious t' see what other people do with this so let me know in t' comments if you've tried it yourself especially if you've made any changes or have any suggestions