Im a beginner carpfisher and with my “veteran” carpfisher friend we think this arm.
the deeper arm is modular and any parts ar printed separetly, in my RC boat I use velcro to stick the entire structure and it work fine, don't use iron nuts and bolts because they will rust in a short time
this arm is compatible with Deeper Pro and Pro+
material type: sunlu PETG
infill: 15% (raccomended)
printer: artillery genius (first model)