//button and control pad for open-gripper
//Controller cross cutout and pivot bump
	difference()
		{
		union()
			{
				translate([28,5.5,29])
					{
						cube ([8,22,4]);
					}
				translate([20,12.5,29])
					{
						cube ([23,8,4]);
					}
				//button hole at W button
			   translate([31.5,24,25])
			    {
			    cylinder(r1=2, r2=1.5,h=8);
			    }	
				//button hole at D button
			   translate([39,17,25])
   				 {
   			 cylinder(r1=2, r2=1.5,h=8);
			    }	
				//button hole at A button
			   translate([24,17,25])
			    {
			    cylinder(r1=2, r2=1.5,h=8);
			    }	
				//button hole at W button
			   translate([31.5,10,25])
			    {
			    cylinder(r1=2, r2=1.5,h=8);
			    }
			}
		//Pivot Bump
		translate([31.5,17,28.5])
			{
				cylinder(r1=3.5, r2=1.2, h=1.5);
			}
		}

//buttons for open-gripper
 
    cylinder(r1=1.5, r2=2,h=8);
    cylinder(r=4,h=4);