Partie 1 (nemaMount)

include <syringePumpConstants.scad>

nema_17_mount();

module nema_17_mount() {

wall_thickness = 5;
motor_width = 42;
frame_width = motor_width + (wall_thickness + 1)*2;
bolt = 4;
height = 25;

inch = 25.4;
screwPlateSize = 25;	
screwRadius = 3.25;

//these are all the mount point holes.
x1 = -wall_thickness;
y1 = wall_thickness*2;
x2 = frame_width+wall_thickness;
y2 = wall_thickness*2;
x3 = -wall_thickness;
y3 = frame_width-wall_thickness*2;
x4 = frame_width + wall_thickness;
y4 = frame_width-wall_thickness*2;

//center the whole thing in X
translate([-frame_width/2, 0, 0])
{

	//floor, with mounting holes for 80/20
		
	translate([0,-screwPlateSize,-wall_thickness]){
		difference(){
			cube(size=[frame_width,frame_width+screwPlateSize,wall_thickness]);
			
			translate([frame_width/2-inch/2, screwPlateSize/2, 0]){
				cylinder(h=wall_thickness, r=screwRadius);
			}
			translate([frame_width/2+inch/2, screwPlateSize/2, 0]){
				cylinder(h=wall_thickness, r=screwRadius);
			}

		}
	}

	difference()
	{
		//build the main unit.
		union()
		{
			//structure
			cube([wall_thickness, frame_width, frame_width]); //front face
			cube([frame_width, wall_thickness, frame_width]); //left face
			translate([frame_width-wall_thickness, 0, 0])     //right face
				cube([wall_thickness, frame_width, frame_width]);

		}

		//front left mount hole
		echo(x1, y1);
		translate([x1, y1, 0])
		{
			cylinder(r=bolt/2, h=wall_thickness);
			translate([0,0,wall_thickness])
				cylinder(r=bolt, h=wall_thickness*2);
		}
		
		//front right mount hole
		echo(x2, y2);
		translate([x2, y2, 0])
		{
			cylinder(r=bolt/2, h=wall_thickness);
			translate([0,0,wall_thickness])
				cylinder(r=bolt, h=wall_thickness*2);			
		}
		
		//rear left mount hole
		echo(x3, y3);
		translate([x3, y3, 0])
		{
			cylinder(r=bolt/2, h=wall_thickness);
			translate([0,0,wall_thickness])
				cylinder(r=bolt, h=wall_thickness*2);
		}
		
		//rear right mount hole
		echo(x4, y4);
		translate([x4, y4, 0])
		{
			cylinder(r=bolt/2, h=wall_thickness);
			translate([0,0,wall_thickness])
				cylinder(r=bolt, h=wall_thickness*2);
		}
		
		//mount hole slits
		translate([frame_width + wall_thickness*1.5, frame_width-wall_thickness*2, wall_thickness/2])
			cube(size=[wall_thickness, 0.1, wall_thickness*3], center=true);
		translate([frame_width + wall_thickness*1.5, wall_thickness*2, wall_thickness/2])
			cube(size=[wall_thickness, 0.1, wall_thickness*3], center=true);
		translate([-wall_thickness*1.5, frame_width-wall_thickness*2, wall_thickness/2])
			cube(size=[wall_thickness, 0.1, wall_thickness*3], center=true);
		translate([-wall_thickness*1.5, wall_thickness*2, wall_thickness/2])
			cube(size=[wall_thickness, 0.1, wall_thickness*3], center=true);

		//nema 17 mount
		rotate([90, 0, 0])
		{
			translate([frame_width/2+0.5, height, -wall_thickness])
			{
				translate([15.5, 15.5, 0])
					cylinder(r=bolt/2, h=wall_thickness+1);
				translate([-15.5, 15.5, 0])
					cylinder(r=bolt/2, h=wall_thickness+1);
				translate([15.5, -15.5, 0])
					cylinder(r=bolt/2, h=wall_thickness+1);
				translate([-15.5, -15.5, 0])
					cylinder(r=bolt/2, h=wall_thickness+1);

				cylinder(r=11.5, h=wall_thickness+1);

				translate([-11.5, 0, 0])
					cube([23, frame_width, wall_thickness+1]);
			}
		}

		//back slant cutaway
		translate([0, 0, frame_width+wall_thickness])
			rotate([45, 0, 0])
				translate([-frame_width, 0, -frame_width*2])
					cube(size=[frame_width*4, frame_width*2, frame_width*4]);

		//front anti-warp circle
		translate([frame_width/2, wall_thickness*1.25, 0])
			rotate([90, 0, 0])
				cylinder(r=wall_thickness, h=wall_thickness*2);

		//middle anti-warp circle			
		translate([0, motor_width/2 + wall_thickness, 0])
			rotate([0, 90, 0])
				cylinder(r=wall_thickness, h=frame_width+1);

		//cutout / tidy up cubes.
		translate([wall_thickness, wall_thickness-0.1, -1])
			cube([frame_width-wall_thickness*2, frame_width-wall_thickness, motor_width*2]);
		translate([-frame_width/2,-frame_width/2, wall_thickness+motor_width])
			cube([frame_width*2, frame_width*2, frame_width]);
		translate([-frame_width/2, -frame_width/2,-frame_width])
			cube([frame_width*2, frame_width*2, frame_width]);
	}
}

}