From 49e96d952e099b62531ecbeea966d3493b32670b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gy=C3=B6rgy=20Kurucz?= <gyuri@sajt.pw>
Date: Thu, 28 May 2020 17:45:50 +0200
Subject: [PATCH] SD card holder, spice holder, screw box
---
include/screw.scad | 1 +
include/screw_box.scad | 51 +++++++++++++++++++++++------------------
src/card_box.scad | 47 +++++++++++++++++++++++++++++++++++++
src/sd_card_holder.scad | 4 ++--
src/spice_holder.scad | 42 +++++++++++++++++++++++++++++++++
5 files changed, 121 insertions(+), 24 deletions(-)
create mode 100644 src/card_box.scad
create mode 100644 src/spice_holder.scad
diff --git a/include/screw.scad b/include/screw.scad
index c9ddf7f..1eaa889 100644
--- a/include/screw.scad
+++ b/include/screw.scad
@@ -50,6 +50,7 @@ module _screw_thread(N=10, R=10, R_min=12, R_maj=15, P=3, taper=true) {
}
function metric_screw_d_min(P, D_maj, tol=0) = 2 * (D_maj/2+tol-5/16*sqrt(3)*P);
+function metric_screw_d_maj(P, D_min, tol=0) = D_min + 5/8*sqrt(3)*P - 2*tol;
/*
P: pitch
diff --git a/include/screw_box.scad b/include/screw_box.scad
index b23cb3f..e3412c8 100644
--- a/include/screw_box.scad
+++ b/include/screw_box.scad
@@ -6,13 +6,15 @@ use <../include/screw.scad>;
h: total outside height
w: top wall thickness
g: inside gap
+ tol: tolerance on thread
+ nt: number of threads
txt: text
txt_size: text size
$mark_cap: generate cap part
- $mark_aside: offset generated part
+ $mark_aside: offset generated part by this amount
$mark_flat: rotate part to lay flat
*/
-module screw_box(R = 10, r = -1, h = 10, w = 1, g = 0,
+module screw_box(R = 10, r = -1, h = 10, w = 1, g = 0, tol = 0.7, nt = 2,
txt = "", txt_size = 0) {
module flower2(r = 10, v = .2, n = 15) {
@@ -22,41 +24,46 @@ module screw_box(R = 10, r = -1, h = 10, w = 1, g = 0,
}
h2 = h / 2;
- _r = r < 0 ? R * 0.9 : r;
- P = (h2-w-g)/2;
- tol = 0.7;
- d_min = metric_screw_d_min(P = P, D_maj = 2*_r,
- tol = tol);
+ _r = r < 0 ? R * 0.8 : r;
+ P = (h2-w-g)/nt;
+ // tol = 0.7;
+ d_min = 2*_r;
+ d_maj = metric_screw_d_maj(P = P, D_min = d_min, tol = 0);
module shape() { flower2(r = R, v = R * 0.025); }
module screw(tol = 0) {
intersection() {
translate([0,0,h-w-g])
- rotate([180,0,0])
- metric_screw(P=P,
- D_maj=_r*2,tol=tol,taper=true);
+ rotate([180,0,0])
+ metric_screw(P=P, D_maj=d_maj,tol=tol,taper=true);
translate([-R,-R,0])
- cube([R*2,R*2, h-w]);
+ cube([R*2,R*2, h-w]);
+ }
+ }
+ module rounding() {
+ corner_r = 4;
+ minkowski() {
+ translate([0,0,corner_r])
+ cylinder(r=R - corner_r, h=h - corner_r * 2, $fn=70);
+ sphere(r=corner_r, $fn=50);
}
}
module base() {
intersection() {
union() {
linear_extrude(h2) shape();
- screw();
- }
- corner_r = 6;
- minkowski() {
- translate([0,0,corner_r])
- cylinder(r=R - corner_r, h=h, $fn=70);
- sphere(r=corner_r, $fn=50);
+ screw(tol = 0);
}
+ rounding();
}
}
module cap() {
difference() {
- translate([0,0,h2]) linear_extrude(h2)
- shape();
- screw(tol = 0.7);
+ intersection() {
+ translate([0,0,h2]) linear_extrude(h2)
+ shape();
+ rounding();
+ }
+ screw(tol = tol);
cylinder(d=d_min, h = h-w, $fn=100);
translate([0,0,h-w/2]) linear_extrude(w)
text(txt, halign="center",
@@ -66,7 +73,7 @@ module screw_box(R = 10, r = -1, h = 10, w = 1, g = 0,
cap = !is_undef($mark_cap);
flat = !is_undef($mark_flat);
aside = !is_undef($mark_aside);
- translate([aside ? 2*R : 0, 0, 0])
+ translate([aside ? 2*R + $mark_aside : 0, 0, 0])
if (!cap) { base(); } else {
if (flat) {
translate([0,0,h]) rotate([180,0,0]) cap();
diff --git a/src/card_box.scad b/src/card_box.scad
new file mode 100644
index 0000000..fb83282
--- /dev/null
+++ b/src/card_box.scad
@@ -0,0 +1,47 @@
+
+tol = [.5, .5, .5];
+size = [57.5, 18.5, 87.2] + tol;
+wall = 1.5;
+corner_r = 1.3;
+
+module base_box() {
+ difference() {
+ translate([corner_r, corner_r, corner_r]) minkowski() {
+ cube(size + 2*[wall, wall, wall]
+ - 2*[corner_r, corner_r, corner_r]);
+ sphere(corner_r, $fn=30);
+ }
+ translate([wall, wall, wall]) cube(size);
+ }
+}
+
+h = size.z * (3/4);
+overlap = size.z * .12;
+
+module bottom() {
+ intersection() {
+ base_box();
+ union() {
+ cube([200, 200, h-overlap]);
+ translate([wall,wall]/2)
+ cube([size.x+wall, size.y+wall, h]);
+ }
+ }
+}
+
+module top() {
+ th = size.z - h;
+ intersection() {
+ base_box();
+ difference() {
+ translate([0,0,h-overlap]) cube([200, 200, 200]);
+ wt = .2;
+ translate([wall-wt,wall-wt]/2)
+ cube([size.x+wall+wt, size.y+wall+wt, h]);
+ }
+ }
+}
+
+
+//bottom();
+translate([0,0,overlap+10]) top();
\ No newline at end of file
diff --git a/src/sd_card_holder.scad b/src/sd_card_holder.scad
index 97b56c7..ce8d991 100644
--- a/src/sd_card_holder.scad
+++ b/src/sd_card_holder.scad
@@ -58,8 +58,8 @@ module assembled() {
}
module print() {
- translate([1,0,0]) {
- $mark_aside = true; $mark_flat = true; cap(); }
+ translate([0,0,0]) {
+ $mark_aside = 1; $mark_flat = true; cap(); }
base();
}
diff --git a/src/spice_holder.scad b/src/spice_holder.scad
new file mode 100644
index 0000000..e46c6d0
--- /dev/null
+++ b/src/spice_holder.scad
@@ -0,0 +1,42 @@
+use <../include/screw_box.scad>;
+use <../include/short.scad>;
+
+V_H = 35 + .5; // vial height
+V_D = 16 + .5; // vial diameter
+V_C = 10; // vial cap height
+V_N = 9; // number of vials
+
+R_I = (V_N * V_D) / (2 * PI) + V_D/2 + 2.5;
+echo(R_I*2);
+R_O = R_I + 5;
+W0 = 3; // bottom wall
+W1 = 1; // top wall
+H = V_H + W0 + W1;
+
+
+module screw_box_params() {
+ screw_box(R = R_O, r = R_I, h = H, w = W1, g = V_C, tol = 0.7);
+}
+
+module vials() {
+ $fn = 100;
+ for (i=[1:V_N]) {
+ rZ(360/V_N*i) tXZ(R_I-V_D/2 - 1, W0) cylinder(h=V_H, d=V_D);
+ }
+ tZ(W0) cylinder(h=V_H, r=R_I-V_D - 1.8);
+}
+
+module cap() {
+ $mark_cap = 1;
+ //$mark_aside = 1;
+ $mark_flat = 1;
+ screw_box_params();
+}
+cap();
+//intersection() {
+//diff() {
+// screw_box_params();
+// #vials();
+//}
+//tXYZ(-5, 15, 20) cube([20,19,40]);
+//}
\ No newline at end of file
--
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