drills increased by 1mm in diameter, so that screws will go through reasonably smoothly
added missing print times
drills' size increased to size+1mm in radius; $fs=1 added to all cylinders
fixed position of mounting for manupulator
reset button's hole has been widen at the end to ensure it can be screwed to the mounting easily
LCD's PCB hole gained extra 1mm on OY to squeeze in more smoothly