include <../common/common.scad>; X = 100; Y = 60; Z = 30; USB = -30; L289N = 10; ButtonD = 7.2; module l289N_holes (r = 3/2 - .2, MOD_MOUNT = 0) { $fn = 60; DISTANCE = 36.5 + MOD_MOUNT; H = 50; translate([0, 0, 0]) cylinder(r = r, h = H * 5, center = true); translate([DISTANCE, 0, 0]) cylinder(r = r, h = H * 5, center = true); translate([DISTANCE, DISTANCE, 0]) cylinder(r = r, h = H * 5, center = true); translate([0, DISTANCE, 0]) cylinder(r = r, h = H * 5, center = true); } module l289N_mount () { $fn = 60; DISTANCE = 36.5; H = 4; THICKNESS = 3; module stand () { cylinder(r1 = 4, r2 = 3, h = H, center = true); cylinder(r = R(2.9), h = H + 5, center = true); } translate([0, 0, 0]) stand(); translate([DISTANCE, 0, 0]) stand(); translate([DISTANCE, DISTANCE, 0]) stand(); translate([0, DISTANCE, 0]) stand(); difference () { translate([DISTANCE/2, DISTANCE/2, -3]) rounded_cube([DISTANCE + 8, DISTANCE + 8, THICKNESS], 8, center = true); //base translate([DISTANCE/2, DISTANCE/2, -3]) rounded_cube([DISTANCE - 5, DISTANCE - 5, THICKNESS+1], 10, center = true); //base } } module Arduino_Nano_mount () { X = 18.02; Y = 43.5; Z = 10.5; BOARD_Z = 1.5; difference () { //outer cube([X + 4, Y + 4, Z], center = true); //inner void minus corners difference () { cube([X - 1, Y - 1, Z + 1], center = true); translate([(X / 2) - 1, (Y / 2) - 1, -BOARD_Z]) cylinder(r = (2 / 2), h = Z + 1, center = true, $fn = 20); translate([(-X / 2) + 1, (Y / 2) - 1, -BOARD_Z]) cylinder(r = (2 / 2), h = Z + 1, center = true, $fn = 20); translate([(X / 2) - 1, (-Y / 2) + 1, -BOARD_Z]) cylinder(r = (2 / 2), h = Z + 1, center = true, $fn = 20); translate([(-X / 2) + 1, (-Y / 2) + 1, -BOARD_Z]) cylinder(r = (2 / 2), h = Z + 1, center = true, $fn = 20); } //board void translate([0, 0, (Z / 2) - (BOARD_Z / 2)]) cube([X, Y, BOARD_Z], center = true); //usb void translate([0, Y / 2, (Z / 2) - (6 / 2) + 0.01]) cube([8, 10, 6], center = true); } } module case_bottom () { difference () { rounded_cube([X, Y, Z], d = 10, center = true, $fn = 40); translate([0, 0, 3]) rounded_cube([X - 5, Y - 5, Z], d = 7, center = true, $fn = 40); translate([USB, Y / 2, 7]) cube([8, 10, 30], center = true); translate([(X / 2) - (13 / 2), -12, 4]) rotate([0, 90, 0]) cylinder(r = R(12), h = 13.5, center = true, $fn = 30); translate([L289N + 6, 0, 3]) { rotate([90, 0, 0]) cylinder(r = R(4), h = Y + 1, center = true, $fn = 30); translate([0, 0, Z / 2]) cube([4, Y + 1, Z], center = true); } translate([(X / 2), 12, 4]) rotate([0, 90, 0]) cylinder(r = R(5), h = 10, center = true, $fn = 30); } translate ([-20, 0, 0]) { translate([L289N, -20 + 2, -8]) l289N_mount(); translate([-10, 6, -7.1]) Arduino_Nano_mount(); } } module case_top () { difference () { rounded_cube([X, Y, 3], d = 10, center = true, $fn = 40); translate([-2, 0, 0]) cube([24, 27, 20], center = true); translate([35, 18, 0]) cylinder(r = R(ButtonD), h = 10, center = true, $fn = 40); translate([35, -18, 0]) cylinder(r = R(ButtonD), h = 10, center = true, $fn = 40); //text translate([25, 15, -0.5]) rotate([0, 0, 90]) emboss("FWD >"); translate([25, -15, -0.5]) rotate([0, 0, 90]) emboss("< BWD"); } translate([0, 0, -2.9]) difference () { rounded_cube([X - 5, Y - 5, 3], d = 7, center = true, $fn = 40); rounded_cube([X - 11, Y - 11, 3 + 1], d = 7, center = true, $fn = 40); } } module emboss (string) { letter = 4; color("red") linear_extrude(10) { text(string, size = letter, halign = "center", valign = "center", $fn = 64); } } case_top(); //case_bottom();