======Partie 1 (nemaMount)====== {{:wiki:projets:pousse-seringue:snip20160416_2.png?300|}} include 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]); } } }