This Blender plugin allows you to import existing JBeam parts or whole vehicles, modify them with Blender's advanced modelling tools, and export them!
NOTE: Future and earlier Blender versions may break this plugin, so please run this plugin with the Blender version specified in the "Releases" page where you downloaded this plugin from! When installing this plugin, please remove the currently installed version (if installed), install the new version, and restart Blender! And make sure to run Blender as an administrator so that file importing/exporting can work!
Find more information about installing and using this plugin here or online version here.
Find more information about developing this plugin here or online version here.