189 lines
6.6 KiB
OpenSCAD
189 lines
6.6 KiB
OpenSCAD
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// =====================================================
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// Seidenstrasse Specs according to CCC-Congress-Wiki:
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// minimal: maximal: optimal:
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// Diameter:75mm 90mm 85mm
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// Length: 100mm 220mm 180mm
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// Weight: >0g 550g 250g
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//=====================================================
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// by zeus - zeus@ctdo.de - CC-BY-NC-4.0
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// -> https://www.thingiverse.com/zeus
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// -> https://github.com/zeus86
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// 2015-08-05
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// =====================================================
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// DEFINITIONS
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// =====================================================
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// Capsule itself
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h_overall=200;
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h_velcro=15;
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h_bulk=30;
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d_bulk=85;
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d_middle=67;
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mt=3;
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d_inner=d_middle-2*mt;
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// holes for mounting some LED-Stripes
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led_pos_t=1; //ledstripe near top
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led_pos_m=0; //ledstripe near middle
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led_pos_b=1; //ledstripe near bottom
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cable_holes=1; // 1=yes, 0=no
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cablehole_dia=3;
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cablehole_width=2; // multiplicator to the diameter, e.g. 3 means the hole is 9 wide when its height it 3, must be >=1
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ziptie_holes=1; // 1=yes, 0=no
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ziptiehole_dia=2;
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ziptiehole_width=3; // multiplicator to the diameter, e.g. 3 means the hole is 9 wide when its height it 3 , must be >=1
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ledstripe_width=12; // in mm
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// Screws
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scr_hole_num=3;
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scr_bighole_dia=8;
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scr_body_dia=4;
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scr_top_dia=4.3;
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scr_block_w=11+mt;
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scr_block_d=scr_block_w;
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// Insert
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insert=1; //1=yes
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ins_gap=2.5;
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ins_mt=1.5;
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ins_wall_offset=4;
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ins_height=105; //should be enought for raspberry PIs and most arduinos
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ins_h_offset=40; //z-offset from middle
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ins_v_offset=10; //vertical offset from middle (i assume otherwise a PI won't fit without because of its height)
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// Top
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h_top=50;
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top_cam_hole=1; // 1=yes
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top_cam_hole_dia=12;
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// Modules
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// ====================================================
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module bulk(){
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$fn=100;
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difference(){
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hull() {
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cylinder(r=d_middle/2+(mt*1.5),h=1,center=true);
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translate([0,0,h_bulk/2])cylinder(r=d_bulk/2,h=h_velcro,center=true);
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translate([0,0,h_bulk])cylinder(r=d_middle/2,h=1,center=true);
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}
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translate([0,0,h_bulk/2+mt/2])cylinder(h=h_bulk,r=d_inner/2,center=true);
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}
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}
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// ====================================================
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module blockring(){
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$fn=100;
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intersection(){
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hull() {
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cylinder(r=d_middle/2,h=1,center=true);
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translate([0,0,h_bulk/2])cylinder(r=d_bulk/2,h=h_velcro,center=true);
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}
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for (x = [0,120,240]){
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rotate([0,0,x]){
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translate([d_bulk/2-scr_block_w/2,0,((h_bulk-h_velcro)/2+h_velcro)/2]){
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difference(){
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cube([scr_block_w,scr_block_d,(h_bulk-h_velcro)/2+h_velcro],center=true);
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translate([0,0,(h_bulk-h_velcro)/3]) cylinder(r=scr_body_dia/2,h=h_velcro,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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// ====================================================
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module top(){
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$fn=100;
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difference(){
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bulk();
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translate([0,0,h_bulk/2+h_velcro/2+mt/4]) cylinder(h=h_bulk,r=d_middle/2+1.5,center=true);
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for (x = [0, 120,240])rotate([0,0,x]){
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translate([d_bulk/2-scr_block_w/2,0,((h_bulk-h_velcro)/2+h_velcro)/2]) cylinder(r=scr_top_dia/2,h=h_bulk,center=true);
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translate([d_bulk/2-scr_block_w/2,0,mt/2]) cylinder(r=scr_bighole_dia/2,h=(h_bulk-h_velcro)/2,center=true);
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translate([d_bulk/2-scr_block_w/2,0,(h_bulk-h_velcro/2-3)]) cube([scr_block_w,scr_block_d+0.5,h_bulk-h_velcro/2],center=true);
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}
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}
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}
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// ====================================================
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module insert(){
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difference(){
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union(){
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hull(){
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translate([d_inner/2-ins_wall_offset,0,0])cube([1,2*ins_mt+ins_gap,ins_height+1],center=true);
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translate([d_inner/2,0,-ins_wall_offset])cube([1,2*ins_mt+ins_gap,ins_height+1+ins_wall_offset*2],center=true);
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}
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hull(){
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translate([-d_inner/2+ins_wall_offset,0,0])cube([1,2*ins_mt+ins_gap,ins_height+1],center=true);
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translate([-d_inner/2,0,-ins_wall_offset])cube([1,2*ins_mt+ins_gap,ins_height+1+ins_wall_offset*2],center=true);
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}
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}
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translate([0,0,1])cube([d_inner,ins_gap,ins_height],center=true);
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}
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}
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//insert();
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// ====================================================
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module cableholes(){
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$fn=50;
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rotate([90,0,0]){
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hull(){
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translate([0,-cablehole_dia*(cablehole_width-1)/2,0])cylinder(r=cablehole_dia/2,h=d_bulk,center=true);
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translate([0,cablehole_dia*(cablehole_width-1)/2,0])cylinder(r=cablehole_dia/2,h=d_bulk,center=true);
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}
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}
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}
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// ====================================================
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module singletie(){
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$fn=50;
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rotate([90,90,0]){
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hull(){
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translate([ledstripe_width/2,-ziptiehole_dia*(ziptiehole_width-1)/2,0])cylinder(r=ziptiehole_dia/2,h=d_bulk,center=true);
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translate([ledstripe_width/2,ziptiehole_dia*(ziptiehole_width-1)/2,0])cylinder(r=ziptiehole_dia/2,h=d_bulk,center=true);
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}
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hull(){
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translate([-ledstripe_width/2,-ziptiehole_dia*(ziptiehole_width-1)/2,0])cylinder(r=ziptiehole_dia/2,h=d_bulk,center=true);
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translate([-ledstripe_width/2,ziptiehole_dia*(ziptiehole_width-1)/2,0])cylinder(r=ziptiehole_dia/2,h=d_bulk,center=true);
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}
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}
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}
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// ====================================================
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module ziptieholes(){
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rotate([0,0,45])singletie();
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rotate([0,0,-45])singletie();
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}
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// ====================================================
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module holes(){
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if (cable_holes == 1) { cableholes(); }
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if (ziptie_holes == 1) { ziptieholes(); }
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}
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// ====================================================
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module centerpart(){
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$fn=50;
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translate([0,0,-(h_overall/2-mt/2)]) bulk();
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difference(){
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union(){
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cylinder(r=d_middle/2,h=h_overall-mt,center=true);
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translate([0,0,h_overall/2-h_bulk*0.8]) blockring();
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}
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translate([0,0,mt/2]) cylinder(r=d_inner/2,h=h_overall-mt*2+0.1,center=true, $fn=32);
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if (led_pos_t == 1){
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translate([0,0,h_overall/4+ledstripe_width/2])holes(); }
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if (led_pos_b == 1){
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translate([0,0,-h_overall/4+ledstripe_width/2])holes(); }
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if (led_pos_m == 1){
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translate([0,0,ledstripe_width/2])holes(); }
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}
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if (insert == 1){
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for (x = [ins_v_offset, -ins_v_offset]){
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translate([0,x,ins_h_offset])insert();
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}
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}
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}
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// ====================================================
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translate([0,0,h_overall/2-mt/2]) centerpart();
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translate([0,0,h_overall+50])mirror([0,0,1]) top();
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