The scrubber was disassembled and most of it tossed into the scrap bin. The parts that remained were the main body right and left sides and the battery door:

Next up the body was glued together along with the rear battery door. The top front of the handle was rounded , the motor hump removed and the area smoothed in the body. The battery door flange was removed as was the flange around the body and handle. The body was also cut lenthwise along the belt line :

The area surrounding the front of the handle was built up forming a box. The area on the rear top of the body was filed down to more match the area just forward to it and to add a sharp line parallel to the new part line. On this new area on either side were placed four styrene rectangles with the forward one being angled to mate with the new handle box. Four strips of styrene were placed from the rear of the handle top to the front. A piece resembling a protractor was placed on the top of the main body in the area that is round: