>>9993230Don't give up, remember Blender is free(you can make some wild shit with it
https://youtu.be/l-TJm7HkzkQ ), find a high quality resin printer to make the molds, and stencils for the faceup as that makes it more feasible for mass production. Unless you're going with a stringed ball joint doll look to the brands obistu, figma, and azone to lean how to put together plastic joints.
Double test your resin hardness, rotocasting saves resin but makes it less sturdy. Good luck rerooting the hair though, Mattel uses a specialty machine. I have no advice, just beware of ending up with the Monster High glue seepage problem.