248 lines
7.8 KiB
OpenSCAD
248 lines
7.8 KiB
OpenSCAD
IN = 25.4;
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MM = 1;
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function R(d) = d / 2.0;
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function IN2MM(in) = in * IN;
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function MM2IN(mm) = mm / IN;
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module hex (diag = 10, h = 1) {
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cylinder(r = diag / 2, h = h, center = true, $fn = 6);
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}
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module tube(o = 1, i = 0, h = 1, center = false, $fn = 12) {
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$fn = $fn;
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union () {
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difference () {
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cylinder(r = o, h = h, center = center);
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cylinder(r = i, h = h, center = center);
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}
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}
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}
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module m3_nut (H = 5) {
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cylinder(r=R(6.6), h=H, center=true, $fn=6);
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}
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module rounded_cube (cube_arr = [1, 1, 1], d = 0, center = false) {
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off_x = 0;
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off_y = 0;
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r = d/2;
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union () {
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cube([cube_arr[0] - d, cube_arr[1], cube_arr[2]], center = center);
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cube([cube_arr[0], cube_arr[1] - d, cube_arr[2]], center = center);
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translate ([1 * (cube_arr[0] / 2) - r , 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
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translate ([-1 * (cube_arr[0] / 2) + r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
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translate ([1 * (cube_arr[0] / 2) - r, -1 * (cube_arr[1] / 2) + r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
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translate ([-1 * (cube_arr[0] / 2) + r, 1 * (cube_arr[1] / 2)- r, 0]) cylinder(r = r, h = cube_arr[2], center = center);
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}
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}
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module c_battery () {
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/* C Cell battery, 26.1 × 50 */
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x = 26.1;
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x_fuzz = .3;
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y = 50;
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y_fuzz = 2;
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cylinder(r = (x + x_fuzz) / 2, h = y + y_fuzz, center = true);
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}
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module sub_c_battery () {
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/* Sub C Cell battery, 22.2 × 42.9 */
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x = 22.2;
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x_fuzz = .3;
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y = 42.9;
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y_fuzz = 2;
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cylinder(r = (x + x_fuzz) / 2, h = y + y_fuzz, center = true);
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}
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module hex (r = 1, h = 1, center = false) {
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cylinder(r = r, h = h, center = center, $fn = 6);
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}
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module cone_45 (d = 1, center = false) {
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cylinder(r1 = d/2, r2 = 0, h = d, center = center);
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}
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module decoys (d = 10, z = 0, number = 4, cube_size = 4, debug = false) {
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for (i = [0: number]) {
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rotate([0, 0, (360/number) * i]) translate([d, 0, z]) cube([cube_size, cube_size, cube_size], center = true);
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if (debug && i == 0) {
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rotate([0, 0, (360/number) * i]) translate([d, 0, z]) cube([cube_size * 5, cube_size* 5, cube_size], center = true);
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}
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}
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}
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//////////////////////////////////////////////////////////////////////////////////////////////
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// Paraboloid module for OpenScad
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//
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// Copyright (C) 2013 Lochner, Juergen
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// http://www.thingiverse.com/Ablapo/designs
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//
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// This program is free software. It is
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// licensed under the Attribution - Creative Commons license.
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// http://creativecommons.org/licenses/by/3.0/
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//////////////////////////////////////////////////////////////////////////////////////////////
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module paraboloid (y=10, f=5, rfa=0, fc=1, detail=44){
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// y = height of paraboloid
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// f = focus distance
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// fc : 1 = center paraboloid in focus point(x=0, y=f); 0 = center paraboloid on top (x=0, y=0)
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// rfa = radius of the focus area : 0 = point focus
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// detail = $fn of cone
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hi = (y+2*f)/sqrt(2); // height and radius of the cone -> alpha = 45° -> sin(45°)=1/sqrt(2)
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x =2*f*sqrt(y/f); // x = half size of parabola
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translate([0,0,-f*fc]) // center on focus
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rotate_extrude(convexity = 10,$fn=detail ) // extrude paraboild
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translate([rfa,0,0]) // translate for fokus area
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difference(){
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union(){ // adding square for focal area
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projection(cut = true) // reduce from 3D cone to 2D parabola
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translate([0,0,f*2]) rotate([45,0,0]) // rotate cone 45° and translate for cutting
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translate([0,0,-hi/2])cylinder(h= hi, r1=hi, r2=0, center=true, $fn=detail); // center cone on tip
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translate([-(rfa+x ),0]) square ([rfa+x , y ]); // focal area square
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}
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translate([-(2*rfa+x ), -1/2]) square ([rfa+x ,y +1] ); // cut of half at rotation center
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}
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}
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/*
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// Height of trapazoid
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height = 19;
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// Width of top cube
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top_x = 30;
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// Length of top cube
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top_y = 34;
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// Width of bottom cube
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bottom_x = 45;
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// Length of bottom cube
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bottom_y = 65;
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wall_thickness = 2;
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*/
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module trap_cube(height = 19, top_x = 30, top_y = 34, bottom_x = 45, bottom_y = 65, wall_thickness = 2) {
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difference(){
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hull(){
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translate([0,0,height])
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cube([top_x, top_y, 0.1], center=true);
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cube([bottom_x, bottom_y, 0.1], center=true);
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}
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hull(){
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translate([0,0,height])
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cube([top_x - wall_thickness, top_y - wall_thickness, 0.1], center=true);
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cube([bottom_x - wall_thickness, bottom_y - wall_thickness, 0.1], center=true);
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}
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}
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}
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module NEMA17_motor_shaft (L = 22.75) {
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//shaft
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difference () {
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cylinder(r = R(5), h = L, center = true, $fn = 30);
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translate([0, 4.5, 4.7]) cube([5, 5, L+1], center = true);
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}
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}
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//NEMA17 Stepper
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module NEMA17 ( H = 33 ) { //alt = 47.5
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difference () {
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cube([42, 42, H], center = true);
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for (i = [0 : 3]) {
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rotate([0, 0, (i * 90) + 45]) translate([29.7, 0, 0]) cube([5.5, 5.5, H + 1], center = true);
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}
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translate([31/2, 31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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translate([-31/2, 31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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translate([31/2, -31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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translate([-31/2, -31/2, (H/2)-1.9]) cylinder(r = R(3), h = 4, center = true, $fn=30);
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}
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//pad
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translate([0, 0, (H/2) + (1.9/2)]) {
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cylinder(r = R(22), h = 1.9, center = true, $fn = 100);
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}
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//shaft
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translate([0, 0, (H/2) + (22.75/2)]) {
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NEMA17_motor_shaft();
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}
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}
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module geared_motor_shaft () {
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MOTOR_SHAFT_D = 6;
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MOTOR_SHAFT_H = 16;
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MOTOR_SHAFT_HOBBLE = 1;
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difference () {
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cylinder(r = R(MOTOR_SHAFT_D), h = MOTOR_SHAFT_H, center = true, $fn = 60);
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translate([MOTOR_SHAFT_D - MOTOR_SHAFT_HOBBLE, 0, 0]) cube([MOTOR_SHAFT_D, MOTOR_SHAFT_D, MOTOR_SHAFT_H + 1], center = true);
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}
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}
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//Geartisan Worm Gear Motor - JSX40-370
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module geared_motor () {
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MOTOR_MOUNT_X = 32.5;
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MOTOR_MOUNT_Y = 17.5;
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module motor_mount_pad (D, Z) {
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difference () {
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cylinder(r = R(D), h = Z, center = true, $fn = 40);
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//bolt void
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cylinder(r = R(2.5), h = Z + 1, center = true, $fn = 40);
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}
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}
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module motor_mounts () {
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Z = 1.5;
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D = 7.5;
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translate([MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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translate([-MOTOR_MOUNT_X / 2, MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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translate([MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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translate([-MOTOR_MOUNT_X / 2, -MOTOR_MOUNT_Y / 2, 0]) motor_mount_pad(D, Z);
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}
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cube([46, 32, 21], center = true);
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translate([(46 / 2) + (30 / 2), 0, 1.5]) rotate([0, 90, 0]) cylinder(r = 24 / 2, h = 30, center = true, $fn = 80);
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translate([-(46 / 2) + 14.5, 0, -18.5]) rotate([0, 0, 90]) geared_motor_shaft();
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//pad
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translate([-(46 / 2) + 14.5, 0, -(1 / 2) - 10.5]) cylinder(r = 13 / 2, h = 1, center = true, $fn = 60);
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//mount pads
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translate([-0.5, 0, -(1.5 / 2) - 10.5]) motor_mounts();
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}
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module opto_endstop () {
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difference(){
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union(){
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// base PCB
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color("green") cube([33.0,1.6,10.5]);
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// add the switch module
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translate([8.4,1.6,10.5/2-6.4/2]) optoswitch();
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// connector
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translate([0.2,-7,0]) color("white") cube([5.8,7,10.5]);
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// led
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translate([3.5,1.6,10.5/2-1.5/2]) color("red") cube([2,0.7,1.5]);
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}
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translate([8.4,0,10.5/2-6.4/2]) {
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for ( hole = [2.75,24.5-2.75] ){
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rotate([90,0,0]) translate([hole,6.4/2,-4]) cylinder(r=1.5, h=4.5,$fn=40);
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}
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}
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}
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}
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// switch module
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module optoswitch() {
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difference(){
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union (){
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color("gray") cube([24.5,3.5,6.4]);
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color("gray")translate([6.63,0,0]) cube([4.45,11.3,6.3]);
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color("gray")translate([13.63,0,0]) cube([4.45,11.3,6.3]);
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}
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for ( hole = [2.75,24.5-2.75] ){
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rotate([90,0,0]) translate([hole,6.4/2,-4]) cylinder(r=1.5, h=4.5,$fn=40);
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}
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}
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} |