printing with pet bottle filament like with pla up to 100-120mm/s ,forget slow print anymore , you need to little upgrade to your machine what you need : https://novo3d.in/wp-content/uploads/2021/03/ND292_Dual_extruder_1.jpg https://ae01.alicdn.com/kf/HTB1Z0jYob1YBuNjSszhq6AUsFXa4.jpg_640x640q90.jpg...

sharp it more the edge is not sharpened

slowly done

?

petpull2 /arduino mega+ramps / lcd 2004 /MEAN WELL psu /recreator remix

ender 3 micro swiss vulcano upgrade 260C 70mm/s
https://www.youtube.com/watch?v=67nAvartncQ