Original Prusa MINI bed cable holder points cable straight to the rear which can collide with a wall. This model turns cable along the bed so more clearance is available.
The +24V cable has to be mounted to the top of the bed while GND has to stay below (just turned by 45°). This avoids short circuit of pads.
Use some higher temp material (not PLA).
The author hasn't provided the model origin yet.