Hero 3D Printer - design my own printer

Build this printer from scratch with dual extruder including adjustable height and direct drive.I use this printer for about 10 years for printing in a wide variety of filaments with great success until i purchased the Bambu lab X1C.got a lot of knowledge and experience to design, build and program my own software (based on Marlin).The design made with Solidworks and i can send the most updated versions by request.The dual extruder including a specials mechanism for direct drive without the step motor moving.