Multi-Material kept simple remix for mk3/s/+

Modified sensor cover for the Multi-Material kept simple (BMMU) to suit mk3/s/+

Original Model - Multi-Material kept simple modeled by @3dbaptman

Ensure Toolchange Gcode disables filament sensor. {if layer_num >= 0} M406 ; Disable filament sensor G0 E-35 F2400 ; Retraction G0 {if current_extruder==0}X22{else}X230.5{endif} Y0 Z212 F10000 ; Approach filament rest position M104 S{temperature[current_extruder]}; Set hotend temperature M109 S{temperature[current_extruder]}; Wait for hotend temperature G1 E-7 F3600; Retraction G1 {if current_extruder==0}X4{else}X249.5{endif} E-3 F500 ; Retire filament G1 {if current_extruder==0}X10{else}X244.5{endif} Z210 F600 ; redressing filament G1 E-15 Z195 F600 ; Pull-out G1 Z165 ; Free filament M104 S{temperature[next_extruder]}; Set hotend temperature M109 S{temperature[next_extruder]}; Wait for hotend temperature ; G0 {if current_extruder==0}X244.5{else}X10{endif} Z165 F18000; Approach filament rest position G1 Z195 F3600 ; capture filament G1 E17 Z212 F600 ; Pull G1 {if current_extruder==0}X230.5{else}X25{endif} E-3 F600 ; filament pick-up G1 E59 F2400; Deretraction G1 E5 F300 ; prime nozzle G1 E-8 F2400 ; retract nozzle G1 Z165 F10000 ; clear toolchange position M104 S{temperature[next_extruder]}; Set hotend temperature M109 S{temperature[next_extruder]}; Wait for hotend temperature M405 ; Enable filament sensor {endif}