Extracted anim. Added holodisk spec.
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Dejvino
parent
c64fee4e52
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814f47b1a8
14
anim.scad
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14
anim.scad
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@ -0,0 +1,14 @@
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// animation
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function get_anim_keys() = [
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0, // initial
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0.1, // resting
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0.3, // holodisk inserted
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0.4, // laser raised
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0.5, // start playing
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0.7, // stop playing
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0.8, // laser lowered, holodisk removing
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1 // final
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];
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function anim(key_from, key_to, KEYS=get_anim_keys())
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= max(0, min(($t - KEYS[key_from]) / (KEYS[key_to] - KEYS[key_from]), 1));
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@ -6,48 +6,10 @@
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* Related: http://cedmagic.com/history/holotape.html
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*/
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width=55;
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depth=100;
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height=16;
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wall=3;
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plate=3;
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top_rim=2;
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bolt_headtype="hex";
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front_body_depth=12;
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front_body_bolt_offset=8;
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back_bumpers_radius=5;
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back_bumpers_bolt_size=3;
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tape_height=5;
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tape_thickness=0.2;
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spool_tape_tolerance=1;
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spool_inner_height=tape_height+spool_tape_tolerance;
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spool_inner_radius=4;
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spool_outer_radius=18;
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spool_plate_height=2;
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spool_plate_holes=3;
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spool_plate_hole_angle=360/spool_plate_holes * 0.5;
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spool_plate_hole_inner_rim=1;
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spool_plate_hole_outer_rim=4;
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spool_slit_depth=0.8;
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spool1_depth=depth*0.77;
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spool2_depth=depth*0.40;
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spool3_depth=(spool1_depth+spool2_depth)/2;
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spool4_depth=depth*0.16;
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main_spools_x=width * 0.45;
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aux_spools_right_x=main_spools_x + spool_outer_radius + 1;
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aux_spools_left_x=main_spools_x - 13;
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middle_spool_in_r=2;
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middle_spool_out_r=7;
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aux_spool_plate_hole_inner_rim=2;
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aux_spool_plate_hole_outer_rim=2;
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spindle_diam=2;
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spindle_diam_tolerance=0.2;
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tape_z=plate+spool_plate_height;
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// dependency: https://github.com/revarbat/BOSL
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use <BOSL/transforms.scad>
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use <BOSL/metric_screws.scad>
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use <BOSL/masks.scad>
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use <holodisk_spec.scad>
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use <anim.scad>
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include <holodisk.scad>
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include <reader.scad>
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114
holodisk.scad
114
holodisk.scad
@ -1,11 +1,55 @@
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// dependency: https://github.com/revarbat/BOSL
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use <BOSL/transforms.scad>
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use <BOSL/metric_screws.scad>
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//use <BOSL/metric_screws.scad>
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use <BOSL/masks.scad>
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use <holodisk_spec.scad>
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use <anim.scad>
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include <tape.scad>
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module frame() {
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disk_size = get_holodisk_size();
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holodisk_size = get_holodisk_size();
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wall=3;
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plate=3;
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top_rim=2;
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bolt_headtype="hex";
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front_body_depth=12;
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front_body_bolt_offset=8;
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back_bumpers_radius=5;
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back_bumpers_bolt_size=3;
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tape_height=5;
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tape_thickness=0.2;
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spool_tape_tolerance=1;
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spool_inner_height=tape_height+spool_tape_tolerance;
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spool_inner_radius=4;
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spool_outer_radius=18;
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spool_plate_height=2;
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spool_plate_holes=3;
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spool_plate_hole_angle=360/spool_plate_holes * 0.5;
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spool_plate_hole_inner_rim=1;
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spool_plate_hole_outer_rim=4;
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spool_slit_depth=0.8;
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spool1_depth=disk_size.y*0.77;
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spool2_depth=disk_size.y*0.40;
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spool3_depth=(spool1_depth+spool2_depth)/2;
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spool4_depth=disk_size.y*0.16;
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main_spools_x=disk_size.x*0.45;
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aux_spools_right_x=main_spools_x + spool_outer_radius + 1;
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aux_spools_left_x=main_spools_x - 13;
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middle_spool_in_r=2;
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middle_spool_out_r=7;
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aux_spool_plate_hole_inner_rim=2;
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aux_spool_plate_hole_outer_rim=2;
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spindle_diam=2;
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spindle_diam_tolerance=0.2;
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tape_z=plate+spool_plate_height;
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module frame(size) {
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width=size.x;
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depth=size.y;
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height=size.z;
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tr=top_rim;
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tc=tr*1.5;
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fbd=front_body_depth;
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@ -76,21 +120,64 @@ module frame() {
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}
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}
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module slides() {
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slide_size = get_holodisk_slide_size();
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slide_pos = get_holodisk_slide_pos();
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slide_plate_size = [0.1, slide_size.y, slide_size.z];
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sliding_size = get_holodisk_slide_sliding_size();
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sliding_pos = get_holodisk_slide_sliding_pos();
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module slide() {
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hull() {
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translate(sliding_pos) cube(sliding_size);
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translate(slide_pos) cube(slide_plate_size);
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}
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}
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module slider() {
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slider_size = get_holodisk_slide_slider_size();
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slider_pos = get_holodisk_slide_slider_pos();
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slider_plate_size = [0.1, slider_size.y, slider_size.z];
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slider_top_size = [slider_size.x, slider_size.y, sliding_size.z];
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hull() {
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up((slider_size.z-sliding_size.z)/2) translate(slider_pos) cube(slider_top_size);
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translate(slider_pos) cube(slider_plate_size);
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}
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}
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right(get_holodisk_size().x) {
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slide();
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slider();
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}
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scale([-1,1,1]) {
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slide();
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slider();
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}
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}
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module bottom_cover() {
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linear_extrude(height=plate) {
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back_bumpers();
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square([width, depth]);
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difference() {
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linear_extrude(height=plate) {
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back_bumpers();
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square([width, depth]);
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}
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down(0.1) translate(get_holodisk_laser_cutout_pos()) cube(get_holodisk_laser_cutout_size());
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}
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}
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color("SaddleBrown") top_cover();
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color("grey") walls();
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color("Silver") slides();
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color("SaddleBrown") bottom_cover();
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color("silver") back_bolts();
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color("silver") front_bolts();
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//color("silver") back_bolts();
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//color("silver") front_bolts();
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}
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module mechanism() {
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module mechanism(size) {
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width=size.x;
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depth=size.y;
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height=size.z;
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module spool(r_in, r_out, in_rim, out_rim) {
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module spindle(d, h) {
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color("Sienna") cylinder(h=h, d=d);
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@ -180,9 +267,12 @@ module mechanism() {
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tapes();
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}
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module holodisk() {
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#frame();
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mechanism();
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module holodisk(size) {
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frame(size);
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mechanism(size);
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}
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holodisk();
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retraction=holodisk_size.y+10;
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back((1-anim(1, 2)) * retraction) // anim insert
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back((anim(len(get_anim_keys())-2, len(get_anim_keys())-1)) * retraction) // anim remove
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holodisk(holodisk_size);
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61
holodisk_spec.scad
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61
holodisk_spec.scad
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/*
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* Technical Specification for Wattz Electronics Holodisk (AKA Holotape or THT)
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*
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*/
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// -- core dimensions --
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function get_holodisk_size() = [55, 100, 16];
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// -- tape --
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function get_holodisk_tape_height() = 5;
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// -- slide --
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spz = 8;
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function get_holodisk_slide_size() = [2, 35, get_holodisk_size().z - spz];
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function get_holodisk_slide_pos() = [0, 15, spz/2];
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sy = 2;
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sz = 4;
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function get_holodisk_slide_sliding_size() = [get_holodisk_slide_size().x, get_holodisk_slide_size().y - sy, get_holodisk_slide_size().z - sz];
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function get_holodisk_slide_sliding_pos() = [get_holodisk_slide_pos().x, get_holodisk_slide_pos().y + sy/2, get_holodisk_slide_pos().z + sz/2];
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srx = 2;
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srz = 2;
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function get_holodisk_slide_slider_size() = [get_holodisk_slide_size().x + srx, 15, get_holodisk_slide_size().z + srz];
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function get_holodisk_slide_slider_pos() = [get_holodisk_slide_sliding_pos().x, get_holodisk_slide_sliding_pos().y, get_holodisk_slide_sliding_pos().z - get_holodisk_slide_slider_size().z/2 + srz];
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// -- laser --
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function get_holodisk_laser_cutout_size() = [15, 9, 20];
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function get_holodisk_laser_cutout_pos() = [
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get_holodisk_size().x/2 - get_holodisk_laser_cutout_size().x/2,
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12,
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0];
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function get_holodisk_laser_cutout_pos_center() = [
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get_holodisk_laser_cutout_pos().x + get_holodisk_laser_cutout_size().x/2,
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get_holodisk_laser_cutout_pos().y + get_holodisk_laser_cutout_size().y/2,
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get_holodisk_laser_cutout_pos().z + get_holodisk_laser_cutout_size().z/2];
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// -- laser-window --
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function get_holodisk_laserwindow_pos_center() = [
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get_holodisk_laser_cutout_pos_center().x,
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0,
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6.5
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];
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function get_holodisk_laserwindow_size() = [
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get_holodisk_laser_cutout_size().x,
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30,
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get_holodisk_tape_height() + 2
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];
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// -- END --
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72
reader.scad
72
reader.scad
@ -1,52 +1,53 @@
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// dependency: https://github.com/revarbat/BOSL
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use <BOSL/transforms.scad>
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use <holodisk_spec.scad>
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include <anim.scad>
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// outside config
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width=60;
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height=15;
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depth=100;
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tape_height=5;
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tape_z=4;
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// local config
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frame=5;
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head_frame=2;
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head_size=[14, 10, tape_height+head_frame*2];
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head_pos=[width/2, -frame+2, tape_z-head_frame];
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laser_size=[10, 2, tape_height];
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laser_pos=[head_pos.x, head_pos.y + 10 + head_size.y, tape_z];
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laser_tower_size=[laser_size.x+2, laser_size.y+1, 15];
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module reader() {
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module reader(disk_size) {
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width=disk_size.x;
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depth=disk_size.y;
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height=disk_size.z;
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laser_cutout_size = get_holodisk_laser_cutout_size();
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laser_cutout_pos = get_holodisk_laser_cutout_pos_center();
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frame=5;
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head_frame=2;
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head_size=[14, 10, tape_height+head_frame*2];
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head_pos=[laser_cutout_pos.x, -frame+2, tape_z-head_frame];
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laser_size=[10, 2, tape_height];
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laser_offset=3;
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laser_pos=[laser_cutout_pos.x, laser_cutout_pos.y + laser_offset, tape_z];
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laser_tower_size=[laser_cutout_size.x - 1, laser_cutout_size.y - 1 - laser_offset, 15];
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module laser(corner=0.1) {
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up(laser_size.z/2)
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up(corner)
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color("Red")
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minkowski() {
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s=[laser_size.x, laser_size.y, laser_size.z-corner*2];
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cube(s, center=true);
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sphere(corner);
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}
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fwd(laser_cutout_size.y/3) cube(laser_size, center=true);
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}
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module laser_tower(corner=2) {
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module laser_tower(corner=1) {
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color("DarkSlateBlue")
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back(laser_tower_size.y-laser_size.y)
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difference() {
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minkowski() {
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s=[laser_tower_size.x, laser_tower_size.y, laser_tower_size.z-corner*2];
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up(laser_size.z/2)
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cube(s, center=true);
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sphere(corner);
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}
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fwd(laser_tower_size.y) scale(1.05) laser();
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up(laser_size.z/2)
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fwd(laser_offset/2) scale(0.99) cube(laser_tower_size, center=true);
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fwd(laser_size.y/3) scale(1.1) laser();
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}
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}
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module head_space() {
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stube=[head_size.x-head_frame*2, head_size.y+head_frame*3, head_size.z-head_frame*2];
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/*stube=[head_size.x-head_frame*2, head_size.y+head_frame*3, head_size.z-head_frame*2];
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up(head_size.z/4 + head_frame)
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cube(stube, center=true);
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cube(stube, center=true);*/
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translate(get_holodisk_laserwindow_pos_center()) cube(get_holodisk_laserwindow_size(), center=true);
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}
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module head(corner=0.5) {
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@ -57,14 +58,19 @@ module reader() {
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s=[head_size[0], head_size[1] + frame, head_size[2]-corner*2];
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difference() {
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up(head_size.z/2) cube(s, center=true);
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translate(head_pos) up(head_size.z/2) cube(s, center=true);
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head_space();
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}
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sphere(corner);
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}
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}
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translate(head_pos) head();
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head();
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retraction=laser_tower_size.z;
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down(retraction)
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up(anim(2, 3)*retraction)
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down(anim(5, 6)*retraction)
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translate(laser_pos) {
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laser();
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laser_tower();
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@ -73,10 +79,12 @@ module reader() {
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color("DarkSlateBlue") {
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difference() {
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fwd(frame) cube([width, frame, height]);
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translate(head_pos) head_space();
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head_space();
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}
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fwd(frame) down(frame) cube([width, depth + frame, frame]);
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}
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}
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reader();
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holodisk_size = is_undef(disk_size) ? [50, 100, 20] : disk_size;
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reader(holodisk_size);
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