Initial commit

.gitmodules

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+[submodule "scad/common"]
+	path = scad/common
+	url = https://git.sixteenmillimeter.com/modules/common.git

Readme.md

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+# Mini 16mm Dev Tank
+
+Previously the "minolta16_tank" in an earlier version of the site.

meta.json

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+{
+    "objects": [
+        {
+            "name": "mini_16mm_dev_tank_cover",
+            "material": "black_plastic",
+            "position": {
+                "x": 0,
+                "y": 0,
+                "z": 25
+            }
+        },
+        {
+            "name": "mini_16mm_dev_spiral_top",
+            "material": "black_plastic",
+            "position": {
+                "x": 0,
+                "y": 0,
+                "z": 8
+            }
+        },
+        {
+            "name": "mini_16mm_dev_spiral",
+            "material": "white_plastic",
+            "position": {
+                "x": 0,
+                "y": 0,
+                "z": -8
+            }
+        },
+        {
+            "name": "mini_16mm_dev_tank",
+            "material": "black_plastic",
+            "position": {
+                "x": 0,
+                "y": 0,
+                "z": -35
+            }
+        }
+    ],
+    "src" : [
+        "README.md",
+        "LICENSE",
+        "scad.sh",
+        "scad/mini_16mm_dev.scad",
+        "scad/common/common.scad",
+        "scad/common/c14n_stl.py",
+        "scad/common/scad.sh"
+    ]
+}

scad.sh

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+#!/bin/bash
+
+bash scad/common/scad.sh ./scad/mini_16mm_dev.scad

scad/common

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+Subproject commit e2eeb27f173d739a174c0d147bcb62a16859e2d9

scad/mini_16mm_dev.scad

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+use <./common/common.scad>;
+
+D = 55;
+
+module funnel () {
+    $fn = 50;
+    difference () {
+        cylinder(r1 = (25.4 / 8) * 0.7 + .5, r2 = (25.4 / 8) * 1.3 + .5, h = 15, center = true);
+        cylinder(r1 = ((25.4 / 8) * 0.7) - 1, r2 = ((25.4 / 8) * 1.3) - 1, h = 15 + .1, center = true);
+    }
+    translate([0, 0, 17.5]) difference () {
+        cylinder(r2 = 20 + .5, r1 = (25.4 / 8) * 1.3 + .5, h = 20, center = true);
+        cylinder(r2 = 20 - 1, r1 = ((25.4 / 8) * 1.3) - 1, h = 20 + .1, center = true);
+    }
+}
+
+module tank (thickness, DEBUG = false) {
+    $fn = 100;
+    H = 16.5 + 3;
+    //main body
+    difference () {
+        cylinder(r = (D / 2) + thickness, h = H + thickness, center = true);
+        translate([0, 0, thickness]) cylinder(r = (D / 2), h = H + thickness, center = true);
+        //for intake
+        //translate([0, 34, -7]) cube([6.5, 20, 2.5], center = true);
+        translate([0, 39, 1]) rotate([0, 0, 35.5]) translate ([0, -13, -6]) rotate([0, 90, 90]) cylinder(r = 2, h = 13, center = true);
+        if (DEBUG){ //
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }
+    //light trap
+    translate([0, 39, 1]) rotate([0, 0, 35.5]) {
+        //
+        translate([0, -6, 0]) rotate([0, -90, 180]) {
+            difference () {
+                union () {
+                    //bend(10);
+                    translate([-5.75, -6, 0]) cube([12, 11, 10], center = true);
+                }
+                bend(4);
+            }
+        }
+        translate ([0, -13, -6]) {
+            rotate([0, 90, 90]) {
+                difference () {
+                    union () {
+                        cylinder(r = R(10), h = 15, center = true);
+                        translate([2.75, 0, 0]) cube([6, 10, 15], center = true);
+                    }
+                    cylinder(r = R(4), h = 15 + 1, center = true);
+                    translate([0, 3, -10]) rotate([50, 0, 0]) cube([15, 25, 15], center = true);
+                }
+            }
+        }
+        translate([0, 0, 2.5]) barbed_fitting();
+    }
+}
+
+module barbed_fitting () {
+    ID = 25.4 / 4;
+    D = 4;
+    H = 15;
+    difference () {
+        union () {
+            for (i = [0 : 2]) {
+                translate([0, 0, i * (H / 3)]) cylinder(r1 = R(ID * 1.15), r2 = R(ID * 0.85), h = H / 3, center = true);
+            }
+        }
+        cylinder(r = R(D), h = H * 2, center = true);
+    }
+}
+
+module bend (D = 8) {
+    difference () {
+        rotate_extrude(convexity = 10, angle = 90, $fn = 60) {
+            translate([6, 0, 0]) circle(r = R(D));
+        }
+        translate([15, 0, 0]) cube([30, 30, 30], center = true);
+        translate([0, 15, 0]) cube([30, 30, 30], center = true);
+    }
+}
+
+module tank_cover (thickness, DEBUG = false) {
+    $fn = 100;
+    //outer rim
+    difference () {
+        cylinder(r = R(D) + thickness + 2, h = 5, center = true);
+        translate([0, 0, 0]) cylinder(r = R(D) + thickness, h = 5 + 1, center = true);
+        if (DEBUG){
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }
+    //inner rim
+    translate([0, 0, 0.5]) difference () {
+        cylinder(r = R(D), h = 2, center = true);
+        translate([0, 0, 0]) cylinder(r = R(D) - 2, h = 2 + 1, center = true);
+        if (DEBUG){
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }
+    //connector
+    translate([0, 0, 2.5]) difference () {
+        cylinder(r = R(D) + thickness + 2, h = 2, center = true);
+        translate([0, 0, 0]) cylinder(r = (D / 2) - 2, h = 2 + 1, center = true);
+        if (DEBUG){
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }
+    //main funnel
+    translate([0, 0, 11]) difference () {
+        cylinder(r1 = R(D) + thickness + 2, r2 = R(18), h = 15, center = true);
+        translate([0, 0, -.6]) cylinder(r1 = R(D) - 2, r2 = R(14) - 2, h = 14, center = true);
+        cylinder(r = 7 - 2, h = 20 + 1, center = true);
+        if (DEBUG){
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }
+    //tube1
+    translate([0, 0, 13.5]) difference () {
+        cylinder(r = R(16), h = 10, center = true);
+        translate([0, 0, 0]) cylinder(r = R(14) - 2, h = 10 + 1, center = true);
+        if (DEBUG){
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }
+}
+
+module equilateralTriangle (side=10, height=10, center=false){
+    translate(center==true ? [-side/2,-sqrt(3)*side/6,-height/2] : [0,0,0]) {
+        linear_extrude(height=height) {
+            polygon(points=[[0,0],[side,0],[side/2,sqrt(3)*side/2]]);
+        }
+    }
+}
+
+module spiral (START_D = 10, SPACING = 5, THICKNESS = 2, H = 10, SPIRALS = 39) {
+    $fn = 80;
+    START_R = START_D / 2;
+    ROT = (360 / $fn);
+    union () {
+        for (i = [0 : $fn]) {
+            rotate ([0, 0, i * ROT]) {
+                for (x = [0: (SPIRALS - 1)]) {
+                      spiral_facet(i, x, START_R, SPACING, THICKNESS, H);
+                }
+            }
+        }
+    }
+}
+
+module spiral_static_res (START_D = 10, SPACING = 5, THICKNESS = 2, H = 10, SPIRALS = 39) {
+    $fn = 80;
+    
+    START_R = START_D / 2;
+    
+    SPACING_MAX = ((SPIRALS - 1) * (SPACING + THICKNESS));
+    STEP_SIZE = ((SPACING + THICKNESS) / $fn); 
+    STEP_OFFSET_MAX = $fn * STEP_SIZE;
+    
+    MAX_R = START_R + SPACING_MAX + STEP_OFFSET_MAX;
+    echo(MAX_R);
+    
+    ROT = (360 / $fn);
+    for (x = [0 : (SPIRALS - 1)]) {
+        
+        for (i = [0 : $fn]) {
+            rotate ([0, 0, i * ROT]) spiral_facet(i, x, START_R, SPACING, THICKNESS, H);
+        }
+    }
+}
+
+module spiral_facet (i, x, START_R, SPACING, W, H) {
+    STEP_SIZE = ((SPACING + W) / $fn); 
+    
+    STEP_OFFSET =  i * STEP_SIZE;
+    SPIRAL_START_OFFSET = (x * (SPACING + W));
+    
+    ACTUAL_R = START_R + SPIRAL_START_OFFSET + STEP_OFFSET;
+    L = 2 * (ACTUAL_R * tan((360 / $fn) / 2));
+    ANGLE = -atan( STEP_SIZE / (L / 2) ) / 2;
+    OFFSET = START_R - (W / 2) + SPIRAL_START_OFFSET + STEP_OFFSET;
+    
+    translate ([OFFSET, 0, - H / 2]) {
+        rotate ([0, 0, ANGLE]) {
+            cube([W, L, H], center=true);
+        }
+    }
+}
+
+module spiral_top (START_D = 10, SPACING = 5, THICKNESS = 2, H = 10, SPIRALS = 39) {
+    $fn = 80;
+    START_R = START_D / 2;
+    union () {
+        for (i = [0 : $fn]) {
+            rotate ([0, 0, i * (360 / $fn)]) {
+                for (x = [0: (SPIRALS - 1)]) {
+                      spiral_top_facet(i, x, START_R, SPACING, THICKNESS, H);
+                }
+            }
+        }
+    }
+}
+
+module spiral_top_facet (i, x, START_R, SPACING, W, H) {
+    STEP_SIZE = ((SPACING + W) / $fn); 
+    
+    STEP_OFFSET =  i * STEP_SIZE;
+    SPIRAL_START_OFFSET = (x * (SPACING + W));
+    
+    ACTUAL_R = START_R + SPIRAL_START_OFFSET + STEP_OFFSET;
+    L = 2 * (ACTUAL_R * tan((360 / $fn) / 2));
+    ANGLE = -atan( STEP_SIZE / (L / 2) ) / 2;
+    OFFSET = START_R - (W / 2) + SPIRAL_START_OFFSET + STEP_OFFSET;
+    
+    translate ([OFFSET, 0, - H / 2]) {
+        rotate ([0, 0, ANGLE]) {
+            //cube([W, L, H], center=true);
+            rotate([90, 0, 0]) equilateralTriangle(side = W, height = L, center = true);
+        }
+    }
+}
+//rotate([90, 0, 90]) equilateralTriangle(side = 2, height = 5, center = true);
+//cube([5, 2, 2] ,center = true);
+
+module trapshape(L = 3) {
+        difference () {
+            cube([6, L, 4], center = true);
+            translate([2.8, 0, 2]) rotate([0, 45, 0]) cube([5, L + 1, 4], center = true);
+            translate([-2.8, 0, 2]) rotate([0, -45, 0]) cube([5, L + 1, 4], center = true);
+        }
+        
+}
+
+module trapshape2 () {
+    difference () {
+        cube([5, 10, 8], center = true);
+        //mid
+        translate([0, 0, -4]) rotate([45, 0, 0]) cube([5 + 1, 7, 7], center = true);
+        //back (tank side)
+        translate([0, -5, 4]) rotate([45, 0, 0]) cube([5 + 1, 5, 5], center = true);
+        //front
+        translate([0, 5, 4]) rotate([45, 0, 0]) cube([5 + 1, 5, 5], center = true);
+        //top angles
+        translate([2.5, 0, 5]) rotate([0, 45, 0]) cube([5, 10, 5], center = true);
+        translate([-2.5, 0, 5]) rotate([0, 45, 0]) cube([5, 10, 5], center = true);
+        //front angles
+        translate([2.5, 0, 0]) rotate([-45, 0, 0]) translate([0, 0, 5]) rotate([0, 45, 0]) cube([5, 11, 5], center = true);
+        translate([-2.5, 0, 0]) rotate([-45, 0, 0]) translate([0, 0, 5]) rotate([0, 45, 0]) cube([5, 11, 5], center = true);
+        //back angles
+        translate([2.5, 0, 0]) rotate([45, 0, 0]) translate([0, 0, 5]) rotate([0, 45, 0]) cube([5, 11, 5], center = true);
+        translate([-2.5, 0, 0]) rotate([45, 0, 0]) translate([0, 0, 5]) rotate([0, 45, 0]) cube([5, 11, 5], center = true);
+        
+    }
+    
+}
+
+module center_piece () {
+    $fn = 60;
+    difference () {
+       cylinder(r = 5, h = 16.5 + 1, center = true);
+       cube([.5, 20, 16.5 + 1 + 1], center = true);
+    }
+}
+
+module bottom () {
+    //spiral(START_D = 12, THICKNESS = 2, SPACING = .5, SPIRALS = 8, H = 3);
+    spiral_static_res(START_D = 12, THICKNESS = 2, SPACING = .5, SPIRALS = 8, H = 3);
+    translate ([0, 0, 1.55]) {
+      spiral_top(START_D = 12, THICKNESS = 2, SPACING = .5, SPIRALS = 8, H = 2);
+    } 
+ }
+
+module reel () {
+    $fn = 100;
+    translate([0, 0, -9]) for (i = [0 : 5]) {
+         rotate([0, 0, i * (360 / 5)]) cube([D - 3, 3, 2], center = true);
+    }
+    translate([0, 0, -9]) difference () {
+        cylinder(r = (D / 2) - 1.5, h = 2, center = true);
+        translate([0, 0, 0]) cylinder(r = (D / 2) - 5, h = 2 + 1, center = true);
+    }
+    translate([0, 0, -5.5]) bottom();
+    translate([0, 0, -1]) rotate([0, 0, 85]) center_piece();
+}
+
+module reel_top (DEBUG = false) {
+    $fn = 100;
+    //under lattuce
+    for (i = [0 : 3]) {
+         rotate([0, 0, i * (360 / 3)]) cube([D - 5.5, 4, 2], center = true);
+    }  
+    difference () {
+        cylinder(r = (D / 2) - 2.5, h = 2, center = true);
+        translate([0, 0, 0]) cylinder(r = (D / 2) - 5, h = 2 + 1, center = true);
+        if (DEBUG){
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }
+    translate([0, 0, 4]) difference () {
+        cylinder(r = 11, h = 10, center = true);
+        translate([0, 0, 2]) cylinder(r = 11 - 2, h = 10, center = true);
+        if (DEBUG){
+            translate([(D + 10) / 2, 0, 0]) cube([D + 10, D + 10, D + 10], center = true);
+        }
+    }           
+}
+
+module debug () {
+    translate([0, 0, 25]) tank_cover(2);
+    translate([0, 0, 8]) reel_top();
+    translate([0, 0, -8]) reel();
+    translate([0, 0, -35]) tank(2);
+}
+
+PART = "tankx"; 
+
+if (PART == "tank") {
+    tank(2);
+} else if (PART == "funnel") {
+    funnel();
+} else if (PART == "tank_cover") {
+    tank_cover(2);
+} else if (PART == "spiral") {
+    reel();
+} else if (PART == "spiral_top") {
+    reel_top();
+} else {
+    debug();
+}