Add spindle code to v3. Render the top and bottom spindle.

This commit is contained in:
mmcwilliams 2020-08-19 01:35:44 -04:00
parent 1c27ad58d1
commit 7cc3d0a17c
5 changed files with 406 additions and 1 deletions

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@ -299,4 +299,8 @@ if (PART == "spiral") {
gnal_spiral_bottom_insert_16(); gnal_spiral_bottom_insert_16();
} else if (PART == "spacer_16") { } else if (PART == "spacer_16") {
gnal_spacer_16(); gnal_spacer_16();
} else if (PART == "spindle_top") {
gnal_spindle_top();
} else if (PART == "spindle_bottom") {
gnal_spindle_bottom();
} }

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@ -220,4 +220,8 @@ if (PART == "spiral") {
gnal_spiral_bottom_insert_16(); gnal_spiral_bottom_insert_16();
} else if (PART == "spacer_16") { } else if (PART == "spacer_16") {
gnal_spacer_16(); gnal_spacer_16();
} else if (PART == "spindle_top") {
gnal_spindle_top();
} else if (PART == "spindle_bottom") {
gnal_spindle_bottom();
} }

215
libraries/Triangles.scad Normal file
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@ -0,0 +1,215 @@
/*
Triangles.scad
Author: Tim Koopman
https://github.com/tkoopman/Delta-Diamond/blob/master/OpenSCAD/Triangles.scad
angleCA
/|\
a / H \ c
/ | \
angleAB ------- angleBC
b
Standard Parameters
center: true/false
If true same as centerXYZ = [true, true, true]
centerXYZ: Vector of 3 true/false values [CenterX, CenterY, CenterZ]
center must be left undef
height: The 3D height of the Triangle. Ignored if heights defined
heights: Vector of 3 height values heights @ [angleAB, angleBC, angleCA]
If CenterZ is true each height will be centered individually, this means
the shape will be different depending on CenterZ. Most times you will want
CenterZ to be true to get the shape most people want.
*/
/*
Triangle
a: Length of side a
b: Length of side b
angle: angle at point angleAB
*/
module Triangle(
a, b, angle, height=1, heights=undef,
center=undef, centerXYZ=[false,false,false])
{
// Calculate Heights at each point
heightAB = ((heights==undef) ? height : heights[0])/2;
heightBC = ((heights==undef) ? height : heights[1])/2;
heightCA = ((heights==undef) ? height : heights[2])/2;
centerZ = (center || (center==undef && centerXYZ[2]))?0:max(heightAB,heightBC,heightCA);
// Calculate Offsets for centering
offsetX = (center || (center==undef && centerXYZ[0]))?((cos(angle)*a)+b)/3:0;
offsetY = (center || (center==undef && centerXYZ[1]))?(sin(angle)*a)/3:0;
pointAB1 = [-offsetX,-offsetY, centerZ-heightAB];
pointAB2 = [-offsetX,-offsetY, centerZ+heightAB];
pointBC1 = [b-offsetX,-offsetY, centerZ-heightBC];
pointBC2 = [b-offsetX,-offsetY, centerZ+heightBC];
pointCA1 = [(cos(angle)*a)-offsetX,(sin(angle)*a)-offsetY, centerZ-heightCA];
pointCA2 = [(cos(angle)*a)-offsetX,(sin(angle)*a)-offsetY, centerZ+heightCA];
polyhedron(
points=[ pointAB1, pointBC1, pointCA1,
pointAB2, pointBC2, pointCA2 ],
faces=[
[0, 1, 2],
[3, 5, 4],
[0, 3, 1],
[1, 3, 4],
[1, 4, 2],
[2, 4, 5],
[2, 5, 0],
[0, 5, 3] ] );
}
/*
Isosceles Triangle
Exactly 2 of the following paramaters must be defined.
If all 3 defined H will be ignored.
b: length of side b
angle: angle at points angleAB & angleBC.
*/
module Isosceles_Triangle(
b, angle, H=undef, height=1, heights=undef,
center=undef, centerXYZ=[true, false, false])
{
valid = (angle!=undef)?((angle < 90) && (b!=undef||H!=undef)) : (b!=undef&&H!=undef);
ANGLE = (angle!=undef) ? angle : atan(H / (b/2));
a = (b==undef)?(H/sin((180-(angle*2))/2)) :
(b / cos(ANGLE))/2;
B = (b==undef)? (cos(angle)*a)*2:b;
if (valid)
{
Triangle(a=a, b=B, angle=ANGLE, height=height, heights=heights,
center=center, centerXYZ=centerXYZ);
} else {
echo("Invalid Isosceles_Triangle. Must specify any 2 of b, angle and H, and if angle used angle must be less than 90");
}
}
/*
Right Angled Triangle
Create a Right Angled Triangle where the hypotenuse will be calculated.
|\
a| \
| \
----
b
a: length of side a
b: length of side b
*/
module Right_Angled_Triangle(
a, b, height=1, heights=undef,
center=undef, centerXYZ=[false, false, false])
{
Triangle(a=a, b=b, angle=90, height=height, heights=heights,
center=center, centerXYZ=centerXYZ);
}
/*
Wedge
Is same as Right Angled Triangle with 2 different heights, and rotated.
Good for creating support structures.
*/
module Wedge(a, b, w1, w2)
{
rotate([90,0,0])
Right_Angled_Triangle(a, b, heights=[w1, w2, w1], centerXYZ=[false, false, true]);
}
/*
Equilateral Triangle
Create a Equilateral Triangle.
l: Length of all sides (a, b & c)
H: Triangle size will be based on the this 2D height
When using H, l is ignored.
*/
module Equilateral_Triangle(
l=10, H=undef, height=1, heights=undef,
center=undef, centerXYZ=[true,false,false])
{
L = (H==undef)?l:H/sin(60);
Triangle(a=L,b=L,angle=60,height=height, heights=heights,
center=center, centerXYZ=centerXYZ);
}
/*
Trapezoid
Create a Basic Trapezoid (Based on Isosceles_Triangle)
d
/----\
/ | \
a / H \ c
/ | \
angle ------------ angle
b
b: Length of side b
angle: Angle at points angleAB & angleBC
H: The 2D height at which the triangle should be cut to create the trapezoid
heights: If vector of size 3 (Standard for triangles) both cd & da will be the same height, if vector have 4 values [ab,bc,cd,da] than each point can have different heights.
*/
module Trapezoid(
b, angle=60, H, height=1, heights=undef,
center=undef, centerXYZ=[true,false,false])
{
validAngle = (angle < 90);
adX = H / tan(angle);
// Calculate Heights at each point
heightAB = ((heights==undef) ? height : heights[0])/2;
heightBC = ((heights==undef) ? height : heights[1])/2;
heightCD = ((heights==undef) ? height : heights[2])/2;
heightDA = ((heights==undef) ? height : ((len(heights) > 3)?heights[3]:heights[2]))/2;
// Centers
centerX = (center || (center==undef && centerXYZ[0]))?0:b/2;
centerY = (center || (center==undef && centerXYZ[1]))?0:H/2;
centerZ = (center || (center==undef && centerXYZ[2]))?0:max(heightAB,heightBC,heightCD,heightDA);
// Points
y = H/2;
bx = b/2;
dx = (b-(adX*2))/2;
pointAB1 = [centerX-bx, centerY-y, centerZ-heightAB];
pointAB2 = [centerX-bx, centerY-y, centerZ+heightAB];
pointBC1 = [centerX+bx, centerY-y, centerZ-heightBC];
pointBC2 = [centerX+bx, centerY-y, centerZ+heightBC];
pointCD1 = [centerX+dx, centerY+y, centerZ-heightCD];
pointCD2 = [centerX+dx, centerY+y, centerZ+heightCD];
pointDA1 = [centerX-dx, centerY+y, centerZ-heightDA];
pointDA2 = [centerX-dx, centerY+y, centerZ+heightDA];
validH = (adX < b/2);
if (validAngle && validH)
{
polyhedron(
points=[ pointAB1, pointBC1, pointCD1, pointDA1,
pointAB2, pointBC2, pointCD2, pointDA2 ],
triangles=[
[0, 1, 2],
[0, 2, 3],
[4, 6, 5],
[4, 7, 6],
[0, 4, 1],
[1, 4, 5],
[1, 5, 2],
[2, 5, 6],
[2, 6, 3],
[3, 6, 7],
[3, 7, 0],
[0, 7, 4] ] );
} else {
if (!validAngle) echo("Trapezoid invalid, angle must be less than 90");
else echo("Trapezoid invalid, H is larger than triangle");
}
}

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@ -2,6 +2,7 @@
include <./path_extrude.scad>; include <./path_extrude.scad>;
include <./threads.scad>; include <./threads.scad>;
include <./Triangles.scad>;
/** /**
* THREADS * THREADS
@ -427,3 +428,184 @@ module triangle_void_3 (i) {
} }
} }
} }
/**
* Spindles
**/
module gnal_spindle_bottom_base ( HEX = false) {
D = 8.45 * 2;
H = 20;
//for grip
BUMP = 2; //diameter
BUMPS = 6;
TOP_D = 19;
TOP_H = 9.5;
TOP_OFFSET = -24.5;
union() {
translate([0, 0, -15]) {
cylinder(r = D / 2, h = H, center = true, $fn = FINE);
}
//hex version
if (HEX) {
translate([0, 0, TOP_OFFSET]) {
cylinder(r = 11.1, h = TOP_H, center = true, $fn = 6);
}
} else {
translate([0, 0, TOP_OFFSET]) {
cylinder(r = TOP_D / 2, h = TOP_H, center = true, $fn = FINE);
}
}
for (i = [0 : BUMPS]) {
rotate([0, 0, (360 / BUMPS) * i]) {
translate([0, 8.9, TOP_OFFSET]) {
cylinder(r = BUMP, h = TOP_H, center = true, $fn = 60);
}
}
}
}
}
module outer_screw (LEN) {
OD = 10;
PITCH = 1.5;
THREAD = 1.6;
difference () {
translate([0, 0, -7.1]) metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length=LEN);
//bevel top of screw
translate([0, 0, LEN - 8]) difference() {
cylinder(r = 8, h = 3, center = true, $fn = FINE);
cylinder(r1 = 6, r2 = 3, h = 3.01, center = true, $fn = FINE);
}
}
}
module gnal_spindle_bottom (ALT = false, HEX = false) {
OD = 13.6 + .5;
PITCH = 1.5;
THREAD = 1.6;
IN_LEN = 21;
LEN = 17.1;
ALT_LEN = 27.1;
difference () {
gnal_spindle_bottom_base(HEX);
//inner screw negative
translate([0, 0, -30]) union() {
metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
translate([0, 0, 0.2]) {
metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
}
}
}
difference () {
//outer screw
if (ALT) {
outer_screw(ALT_LEN);
} else {
outer_screw(LEN);
}
//hollow center
cylinder(r = 3.8 / 2, h = 100, center = true, $fn = 60);
}
}
module gnal_spindle_top () {
D = 50;
THICKNESS = 2.5;
H = 19.5;
ROUND = 8;
HANDLE_D = 13.25;
HANDLE_BASE = 16;
HANDLE_TOP = 13;
HANDLE_H = 54.5;
NOTCHES = 17;
NOTCH = 1.5;
FINE = 200;
difference () {
//cup
translate([0, 0, ROUND - 2]) minkowski () {
cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = FINE);
sphere(r = ROUND, $fn = FINE);
}
translate([0, 0, ROUND - 2 + THICKNESS]) minkowski () {
cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 200);
sphere(r = ROUND, $fn = FINE);
}
//hollow out cup
translate([0, 0, H + ROUND - 4 - 3]) {
cylinder(r = (D / 2) + 1, h = H * 2, center = true);
}
//inner cup bevel
translate([0, 0, (H / 2) - ROUND - 1]) {
cylinder(r1 = (D / 2) - 2.5, r2 = (D / 2) - 2.5 + 1, h = 1, center = true, $fn = FINE);
}
//outer cup bevel
translate([0, 0, (H / 2) - ROUND - 1]) {
difference () {
cylinder(r = (D / 2) + .25, h = 1, center = true, $fn = FINE);
cylinder(r2 = (D / 2) - .8, r1 = (D / 2) - .8 + 1, h = 1, center = true, $fn = FINE);
}
}
//hole in cup
translate([21, 0, -10]) cylinder(r = 3 / 2, h = 40, center = true, $fn = 40);
}
//reference cylinder
//translate([0, 0, -6.6]) color("red") cylinder(r = 50 / 2, h = 19.57, center = true);
//handle
translate([0, 0, -15]) {
difference() {
cylinder(r1 = HANDLE_BASE / 2, r2 = HANDLE_TOP / 2, h = HANDLE_H, $fn = FINE);
//ring negative
translate([0, 0, 31 + 14.5]) {
difference () {
cylinder(r = HANDLE_D / 2 + 2, h = 20, center = true);
cylinder(r = HANDLE_D / 2 - .5, h = 20 + 1, center = true);
}
}
//handle notches
for(i = [0 : NOTCHES]) {
rotate([0, 0, i * (360 / NOTCHES)]) {
translate([0, HANDLE_D / 2 - .5, 31 + 14.5]) {
rotate([0.75, 0, 0]) rotate([0, 0, 45]) {
Right_Angled_Triangle(a = NOTCH, b = NOTCH, height = 20, centerXYZ=[true, true, true]);
}
}
}
}
//bevel handle at top
translate([0, 0, 54.01]) {
difference () {
cylinder(r = 13 / 2, h = 1, center = true);
cylinder(r1 = 12.5 / 2, r2 = 11.5 / 2, h = 1.01, center = true);
}
}
}
}
//attach handle with pyramid cylinder
translate ([0, 0, -13.7]) {
cylinder(r1 = 16 / 2 + 2, r2 = 16 / 2 - .1, h = 3, center = true, $fn = FINE);
}
//plate under cup
translate([0, 0, -17.75]) {
cylinder(r = 31.5 / 2, h = 1, center = true, $fn = FINE);
}
//screw
translate([0, 0, -37.5]) {
metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21);
}
//cylinder plug
translate([0, 0, -37.5 + (21 / 2) - 1]) {
cylinder(r = 12 / 2, h = 21, center = true, $fn = FINE);
}
}

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@ -9,7 +9,7 @@ DIST=./stl
IMG=./img IMG=./img
NOTES=./notes/${V}.csv NOTES=./notes/${V}.csv
FILES=( "spacer" "top" "spiral" "quarter_a" "quarter_b" "quarter_c" "quarter_d" "insert_s8" "insert_16" "spacer_16" ) FILES=( "spindle_top" "spindle_bottom" "spacer" "top" "spiral" "quarter_a" "quarter_b" "quarter_c" "quarter_d" "insert_s8" "insert_16" "spacer_16" )
SIZES=( "50ft" "100ft" ) SIZES=( "50ft" "100ft" )
mkdir -p $DIST mkdir -p $DIST