273 lines
12 KiB
OpenSCAD
273 lines
12 KiB
OpenSCAD
// supermicro SC808 (and others) extended slider drawers to re-utilize 3.5"-hdd-cages for multiple 2.5" ssds
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// by zeus - 2023-06-15 - CC-BY-NC-SA-4.0 - https://git.kostianix.de/zeus/3d-stuff/openscad/own/supermicro_sc808t/
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// #####################################
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$fn=50;
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q=0.01;
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Q=1;
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slack=0.5;
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mt=2;
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layer=0.5; // layer height of the 3d-printer to archieve some very narrow walls or floors without strange rounding errors
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rod_hole_dia=4.5; // with some slack for m4 threaded bolts
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slide_base_hole_dia=4; // 4.0 for m3 short inserts from cnc-kitchen
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disk_w=71; // real measurement more like 69.9
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disk_l=101; // real measurement more like 100.4/101 (connector overhang). effective length with cables at least 125mm!
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disk_h=7.25; // unfortunately this is not really standardized. most relevant ssds will have 6.74-7.1mm thickness
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//slider-vars
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slide_base_l=130;
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slide_base_w=75;
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slide_base_h=12;
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slide_top_h=12;
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slide_wall_t=7.5;
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slide_bottom_t=3.3; // for m3 short inserts from cnc-kitchen at least 3mm is needed, regular is 5.7mm
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slide_wall_hole_dia=slide_base_hole_dia; // same as bottom to accomodate same inserts
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slide_wall_hole_t=3; // minimal distance of 3mm, because space is tight here
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slide_wall_z_offset=6.5; // distance from bottom
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slide_channel_w=17.5;
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// supermicro 3.5"-hdd-drawer mockup for reference
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draw_w_inner=101;
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draw_l_inner=150; // slightly less in reality, but non-critical dimension
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draw_h_inner=21; // from bottom upwards
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draw_w_front=107.5;
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draw_l_front=31.5;
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draw_h_front=27;
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draw_t_outer=(draw_w_front-draw_w_inner)/2; //thickness of the rails
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draw_hole_h=6.5; // height of the center of the mounting hole (from the bottom)
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draw_hole_dia=slide_base_hole_dia;
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draw_hole_y1=19; // distance of first sidehole (from front)
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draw_hole_y2=79;
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draw_hole_y3=121;
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filler_w=draw_w_inner-slide_base_w-slack;
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flange_d=1;
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flange_h=3;
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post_h=4;
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link1_l=slide_base_w/2;
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link2_l=slide_base_w-(slide_base_hole_dia*3.4);
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// #####################################
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module drawer_mockup(){
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color("brown")translate([0,draw_l_front/2,draw_h_front/2])cube([draw_w_front,draw_l_front,draw_h_front],center=true);
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difference(){
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color("brown")translate([0,draw_l_front+draw_l_inner/2,draw_h_inner/2])cube([draw_w_inner+(2*draw_t_outer),draw_l_inner,draw_h_inner],center=true);
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translate([0,draw_l_front+draw_l_inner/2,draw_h_inner/2])cube([draw_w_inner,draw_l_inner+q,draw_h_inner+q],center=true);
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// hdd mounting-holes
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for(x=[-(draw_w_front/2-draw_t_outer/2),(draw_w_front/2-draw_t_outer/2)],y=[draw_hole_y1,draw_hole_y2,draw_hole_y3]){
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translate([x,draw_l_front+y,draw_hole_h])rotate([0,90,0])cylinder(h=draw_t_outer+q,r=draw_hole_dia/2,center=true);
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}
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}
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}
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module disk_mockup(){
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color("teal")translate([0,0,disk_h/2])cube([disk_w,disk_l,disk_h],center=true);
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}
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module slider_base(){
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translate([0,slide_base_l/2,slide_base_h/2]){
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difference(){
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cube([slide_base_w,slide_base_l,slide_base_h],center=true);
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translate([0,0,slide_bottom_t/2+q])cube([slide_base_w-(2*slide_wall_t),slide_base_l+q,slide_base_h-slide_bottom_t],center=true);
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for(x=[-(slide_base_w/2-slide_wall_t/2),(slide_base_w/2-slide_wall_t/2)], // used for M4-rods
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x2=[-slide_channel_w/2:1:slide_channel_w/2], // center cable channel
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x3=[-(slide_base_w/3+slide_base_w/5)/2,(slide_base_w/3+slide_base_w/5)/2]){ // offset cable channels
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// M4-Rod-Holes for connecting the trays
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translate([x,0,-slide_base_h/2+slide_bottom_t/2+rod_hole_dia/4]){
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rotate([90,0,0])cylinder(h=slide_base_l+q,r=rod_hole_dia/2,center=true);
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}
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// center cable-channel cutout
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hull(){
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translate([x2,0,-slide_base_h/2+slide_bottom_t/3+rod_hole_dia/2]){
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rotate([90,0,0])cylinder(h=slide_base_l+q,r=rod_hole_dia/2,center=true);
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}
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}
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// offset cable channel cutouts
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translate([x3,0,-slide_base_h/2+slide_bottom_t/3+rod_hole_dia/2]){
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rotate([90,0,0])cylinder(h=slide_base_l+q,r=rod_hole_dia/2,center=true);
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}
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}
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// base bottom mounting holes
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for(x=[-slide_base_w/3,-slide_base_w/5,+slide_base_w/3,+slide_base_w/5],y=[-slide_base_l/2.5,-slide_base_l/7.5,+slide_base_l/2.5,+slide_base_l/7.5]){
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translate([x,y,-(slide_base_h/2)+(slide_bottom_t/2)]){
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cylinder(h=slide_bottom_t+Q,r=slide_base_hole_dia/2,center=true);
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}
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}
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// mounting holes on top of the walls
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for(x=[-(slide_base_w/2-slide_wall_t/2),(slide_base_w/2-slide_wall_t/2)],y=[-(slide_base_l/2-slide_wall_t/2),(slide_base_l/2-slide_wall_t/2)]){
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translate([x,y,(slide_base_h/2)-(slide_wall_hole_t/2)]){
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cylinder(h=slide_wall_hole_t+q,r=slide_wall_hole_dia/2,center=true);
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}
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}
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// hdd mounting-holes
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for(x=[-(slide_base_w/2-slide_wall_hole_t/2),(slide_base_w/2-slide_wall_hole_t/2)],y=[draw_hole_y1,draw_hole_y2,draw_hole_y3]){
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translate([x,-draw_hole_y3-draw_hole_dia*2.5+y+draw_hole_y3/2,-slide_base_h/2+slide_wall_z_offset])rotate([0,90,0])cylinder(h=slide_wall_hole_t+q,r=draw_hole_dia/2,center=true);
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}
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}
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}
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}
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module slider_filler(){
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difference(){
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cube([filler_w,draw_hole_y3,draw_hole_dia*2],center=true);
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for(x=[draw_hole_y1,draw_hole_y2,draw_hole_y3]){
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translate([0,-(draw_hole_y3+draw_hole_dia)/2-7.5+x,0])rotate([0,90,0])#cylinder(h=filler_w+q,r=(draw_hole_dia/2)+0.5,center=true);
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}
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}
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}
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module slider_top(){
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translate([0,slide_base_l/2,slide_top_h/2+slide_base_h]){
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difference(){
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cube([slide_base_w,slide_base_l,slide_top_h],center=true);
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translate([0,0,0])cube([slide_base_w-(2*slide_wall_t),slide_base_l+q,slide_base_h+q],center=true);
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for(x=[-(slide_base_w/2-slide_wall_t/2),(slide_base_w/2-slide_wall_t/2)],y=[-(slide_base_l/2-slide_wall_t/2),(slide_base_l/2-slide_wall_t/2)]){
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translate([x,y,0]){
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translate([0,0,flange_h])cylinder(h=slide_top_h+q,r=slide_wall_hole_dia/2+flange_d,center=true);
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cylinder(h=slide_top_h+q,r=slide_wall_hole_dia/2,center=true);
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}
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}
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}
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}
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}
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module clip_small(){
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translate([(slide_base_w/3+slide_base_w/5)/2,slide_base_l/2-slide_base_l/2.5,slide_bottom_t/2+mt*1.5]){
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difference(){
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union(){
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cube([(slide_base_w/3+slide_base_w/5)/2-slide_base_hole_dia,slide_base_hole_dia*2,mt],center=true);
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translate([0,0,mt/4])rotate([90,0,0])scale([1.25,1,1])cylinder(h=slide_base_hole_dia*2,r=rod_hole_dia/2,center=true);
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}
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for(x=[-(((slide_base_w/3+slide_base_w/5)/2-slide_base_hole_dia)/2-slide_base_hole_dia*0.75),(((slide_base_w/3+slide_base_w/5)/2-slide_base_hole_dia)/2-slide_base_hole_dia*0.75)]){
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translate([x,0,0])cylinder(h=slide_bottom_t+Q,r=slide_base_hole_dia/2-0.5,center=true);
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}
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translate([0,0,-mt/2])rotate([90,0,0])cylinder(h=slide_base_hole_dia*2+q,r=rod_hole_dia/2,center=true);
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}
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}
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}
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module clip_wide(){
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translate([0,slide_base_l/2-slide_base_l/2.5,slide_bottom_t/2+mt*1.5]){
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difference(){
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union(){
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hull(){
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translate([slide_base_w/5,0,0])cylinder(h=mt,r=slide_base_hole_dia*0.66,center=true);
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translate([-slide_base_w/5,0,0])cylinder(h=mt,r=slide_base_hole_dia*0.66,center=true);
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}
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}
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translate([slide_base_w/5,0,mt/2])cylinder(h=mt*0.75,r=slide_base_hole_dia+q,center=true);
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translate([-slide_base_w/5,0,mt/2])cylinder(h=mt*0.75,r=slide_base_hole_dia+q,center=true);
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for(x=[-(slide_base_w/5),(slide_base_w/5)]){
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translate([x,0,0])cylinder(h=slide_bottom_t+Q,r=slide_base_hole_dia/2-0.5,center=true);
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}
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for(x=[-slide_channel_w/2:1:slide_channel_w/2]){
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hull(){
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translate([x,0,-slide_base_hole_dia/2+mt/2-layer*2]){
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rotate([90,0,0])cylinder(h=slide_base_hole_dia*0.66*2+q,r=rod_hole_dia/2,center=true);
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}
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}
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}
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}
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}
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}
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module clip_rear_base(){
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translate([0,slide_base_l/2-slide_base_l/2.5,slide_bottom_t/2+mt*1.5]){
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difference(){
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union(){
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hull(){
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translate([slide_base_w/3,0,mt*0.5])cylinder(h=mt*2,r=slide_base_hole_dia*1.15,center=true);
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translate([-slide_base_w/3,0,mt*0.5])cylinder(h=mt*2,r=slide_base_hole_dia*1.15,center=true);
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}
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}
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translate([slide_base_w/5,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true);
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translate([-slide_base_w/5,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true);
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translate([slide_base_w/3,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true);
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translate([-slide_base_w/3,0,mt*2])cylinder(h=mt*2,r=slide_base_hole_dia*0.75+q,center=true);
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for(x=[-(slide_base_w/3),(slide_base_w/3),-(slide_base_w/5),(slide_base_w/5)]){
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translate([x,0,0])cylinder(h=slide_bottom_t+Q,r=slide_base_hole_dia/2-0.5,center=true);
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}
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for(x=[-slide_channel_w/2:1:slide_channel_w/2]){
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hull(){
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translate([x,0,-slide_base_hole_dia/2+mt/2-layer*2]){
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rotate([90,0,0])cylinder(h=slide_base_hole_dia*2.3+2*q,r=rod_hole_dia/2,center=true);
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}
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}
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}
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}
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translate([0,0,post_h/2+mt*1.5-q]){
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difference(){
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cylinder(r=slide_base_hole_dia+q,h=post_h,center=true,$fn=100);
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cylinder(r=slide_base_hole_dia/2,h=post_h+q,center=true);
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}
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}
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}
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}
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module linkage(){
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translate([0,slide_base_l/2-slide_base_l/2.5,slide_bottom_t/2+mt*1.5+post_h/2+mt*1.5]){
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rotate([0,0,55])difference(){
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union(){
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translate([0,-(link1_l/2),0])cube([post_h*2,link1_l,post_h-1],center=true);
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// set1
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cylinder(h=post_h-1,r=slide_base_hole_dia+3,center=true);
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// set2
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translate([0,-link1_l,0])cylinder(h=post_h-1,r=slide_base_hole_dia+3,center=true);
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}
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cylinder(h=post_h-1+q,r=slide_base_hole_dia+0.25,center=true);
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translate([0,-link1_l,0])cylinder(h=post_h-1+q,r=slide_base_hole_dia+0.25,center=true);
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}
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translate([0,-21.5,-post_h]){
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difference(){
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union(){
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cube([link2_l,post_h*2,post_h-1],center=true);
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translate([-(link2_l/2),0,0])cylinder(h=post_h-1,r=slide_base_hole_dia+3,center=true);
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}
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translate([-(link2_l/2),0,0])cylinder(h=post_h-1+q,r=slide_base_hole_dia+0.25,center=true);
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}
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translate([link2_l/2,0,(post_h)/2]){
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difference(){
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cylinder(r=slide_base_hole_dia+q,h=post_h-1+post_h,center=true,$fn=100);
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translate([0,0,post_h/2])cylinder(r=slide_base_hole_dia/2,h=post_h+q,center=true);
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}
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}
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}
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}
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// washer, arbitrary values
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translate([0,13,13])difference(){
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cylinder(r=7,h=1.5,center=true,$fn=100);
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cylinder(r=2,h=1.5+q,center=true,$fn=100);
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}
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}
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module base_end(){
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difference(){
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slider_base();
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translate([0,slide_base_l/2+slide_base_l/7,0])cube([slide_base_w+q,slide_base_l+q,slide_base_h*2+q],center=true);
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}
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clip_rear_base();
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linkage();
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};
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// #####################################
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//drawer_mockup();
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difference(){
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union(){
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translate([13,draw_l_front+5.5,0]){
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slider_base();
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translate([0,0,0.1])slider_top();
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}
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}
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translate([13,draw_l_front+63,8]){
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disk_mockup();
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translate([0,0,8])disk_mockup();
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}
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}
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//translate([13,draw_l_front+5.5,0])clip_small();
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//translate([13,draw_l_front+5.5,0])clip_wide();
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translate([-(draw_w_inner/2-filler_w/2-slack/2),draw_l_front+draw_l_inner/2-5,slide_wall_z_offset])color("pink")slider_filler();
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translate([13,draw_l_front-25.5,0])!base_end();
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