Add spindle code to v3. Render the top and bottom spindle.
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1c27ad58d1
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@ -299,4 +299,8 @@ if (PART == "spiral") {
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gnal_spiral_bottom_insert_16();
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} else if (PART == "spacer_16") {
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gnal_spacer_16();
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} else if (PART == "spindle_top") {
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gnal_spindle_top();
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} else if (PART == "spindle_bottom") {
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gnal_spindle_bottom();
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}
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@ -220,4 +220,8 @@ if (PART == "spiral") {
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gnal_spiral_bottom_insert_16();
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} else if (PART == "spacer_16") {
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gnal_spacer_16();
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} else if (PART == "spindle_top") {
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gnal_spindle_top();
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} else if (PART == "spindle_bottom") {
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gnal_spindle_bottom();
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}
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@ -0,0 +1,215 @@
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/*
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Triangles.scad
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Author: Tim Koopman
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https://github.com/tkoopman/Delta-Diamond/blob/master/OpenSCAD/Triangles.scad
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angleCA
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/|\
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a / H \ c
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/ | \
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angleAB ------- angleBC
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b
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Standard Parameters
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center: true/false
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If true same as centerXYZ = [true, true, true]
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centerXYZ: Vector of 3 true/false values [CenterX, CenterY, CenterZ]
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center must be left undef
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height: The 3D height of the Triangle. Ignored if heights defined
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heights: Vector of 3 height values heights @ [angleAB, angleBC, angleCA]
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If CenterZ is true each height will be centered individually, this means
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the shape will be different depending on CenterZ. Most times you will want
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CenterZ to be true to get the shape most people want.
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*/
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/*
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Triangle
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a: Length of side a
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b: Length of side b
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angle: angle at point angleAB
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*/
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module Triangle(
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a, b, angle, height=1, heights=undef,
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center=undef, centerXYZ=[false,false,false])
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{
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// Calculate Heights at each point
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heightAB = ((heights==undef) ? height : heights[0])/2;
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heightBC = ((heights==undef) ? height : heights[1])/2;
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heightCA = ((heights==undef) ? height : heights[2])/2;
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centerZ = (center || (center==undef && centerXYZ[2]))?0:max(heightAB,heightBC,heightCA);
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// Calculate Offsets for centering
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offsetX = (center || (center==undef && centerXYZ[0]))?((cos(angle)*a)+b)/3:0;
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offsetY = (center || (center==undef && centerXYZ[1]))?(sin(angle)*a)/3:0;
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pointAB1 = [-offsetX,-offsetY, centerZ-heightAB];
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pointAB2 = [-offsetX,-offsetY, centerZ+heightAB];
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pointBC1 = [b-offsetX,-offsetY, centerZ-heightBC];
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pointBC2 = [b-offsetX,-offsetY, centerZ+heightBC];
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pointCA1 = [(cos(angle)*a)-offsetX,(sin(angle)*a)-offsetY, centerZ-heightCA];
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pointCA2 = [(cos(angle)*a)-offsetX,(sin(angle)*a)-offsetY, centerZ+heightCA];
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polyhedron(
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points=[ pointAB1, pointBC1, pointCA1,
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pointAB2, pointBC2, pointCA2 ],
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faces=[
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[0, 1, 2],
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[3, 5, 4],
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[0, 3, 1],
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[1, 3, 4],
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[1, 4, 2],
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[2, 4, 5],
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[2, 5, 0],
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[0, 5, 3] ] );
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}
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/*
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Isosceles Triangle
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Exactly 2 of the following paramaters must be defined.
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If all 3 defined H will be ignored.
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b: length of side b
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angle: angle at points angleAB & angleBC.
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*/
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module Isosceles_Triangle(
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b, angle, H=undef, height=1, heights=undef,
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center=undef, centerXYZ=[true, false, false])
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{
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valid = (angle!=undef)?((angle < 90) && (b!=undef||H!=undef)) : (b!=undef&&H!=undef);
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ANGLE = (angle!=undef) ? angle : atan(H / (b/2));
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a = (b==undef)?(H/sin((180-(angle*2))/2)) :
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(b / cos(ANGLE))/2;
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B = (b==undef)? (cos(angle)*a)*2:b;
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if (valid)
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{
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Triangle(a=a, b=B, angle=ANGLE, height=height, heights=heights,
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center=center, centerXYZ=centerXYZ);
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} else {
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echo("Invalid Isosceles_Triangle. Must specify any 2 of b, angle and H, and if angle used angle must be less than 90");
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}
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}
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/*
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Right Angled Triangle
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Create a Right Angled Triangle where the hypotenuse will be calculated.
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a| \
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----
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b
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a: length of side a
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b: length of side b
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*/
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module Right_Angled_Triangle(
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a, b, height=1, heights=undef,
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center=undef, centerXYZ=[false, false, false])
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{
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Triangle(a=a, b=b, angle=90, height=height, heights=heights,
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center=center, centerXYZ=centerXYZ);
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}
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/*
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Wedge
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Is same as Right Angled Triangle with 2 different heights, and rotated.
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Good for creating support structures.
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*/
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module Wedge(a, b, w1, w2)
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{
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rotate([90,0,0])
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Right_Angled_Triangle(a, b, heights=[w1, w2, w1], centerXYZ=[false, false, true]);
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}
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/*
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Equilateral Triangle
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Create a Equilateral Triangle.
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l: Length of all sides (a, b & c)
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H: Triangle size will be based on the this 2D height
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When using H, l is ignored.
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*/
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module Equilateral_Triangle(
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l=10, H=undef, height=1, heights=undef,
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center=undef, centerXYZ=[true,false,false])
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{
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L = (H==undef)?l:H/sin(60);
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Triangle(a=L,b=L,angle=60,height=height, heights=heights,
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center=center, centerXYZ=centerXYZ);
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}
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/*
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Trapezoid
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Create a Basic Trapezoid (Based on Isosceles_Triangle)
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d
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/----\
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/ | \
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a / H \ c
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/ | \
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angle ------------ angle
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b
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b: Length of side b
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angle: Angle at points angleAB & angleBC
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H: The 2D height at which the triangle should be cut to create the trapezoid
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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.
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*/
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module Trapezoid(
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b, angle=60, H, height=1, heights=undef,
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center=undef, centerXYZ=[true,false,false])
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{
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validAngle = (angle < 90);
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adX = H / tan(angle);
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// Calculate Heights at each point
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heightAB = ((heights==undef) ? height : heights[0])/2;
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heightBC = ((heights==undef) ? height : heights[1])/2;
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heightCD = ((heights==undef) ? height : heights[2])/2;
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heightDA = ((heights==undef) ? height : ((len(heights) > 3)?heights[3]:heights[2]))/2;
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// Centers
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centerX = (center || (center==undef && centerXYZ[0]))?0:b/2;
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centerY = (center || (center==undef && centerXYZ[1]))?0:H/2;
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centerZ = (center || (center==undef && centerXYZ[2]))?0:max(heightAB,heightBC,heightCD,heightDA);
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// Points
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y = H/2;
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bx = b/2;
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dx = (b-(adX*2))/2;
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pointAB1 = [centerX-bx, centerY-y, centerZ-heightAB];
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pointAB2 = [centerX-bx, centerY-y, centerZ+heightAB];
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pointBC1 = [centerX+bx, centerY-y, centerZ-heightBC];
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pointBC2 = [centerX+bx, centerY-y, centerZ+heightBC];
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pointCD1 = [centerX+dx, centerY+y, centerZ-heightCD];
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pointCD2 = [centerX+dx, centerY+y, centerZ+heightCD];
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pointDA1 = [centerX-dx, centerY+y, centerZ-heightDA];
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pointDA2 = [centerX-dx, centerY+y, centerZ+heightDA];
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validH = (adX < b/2);
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if (validAngle && validH)
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{
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polyhedron(
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points=[ pointAB1, pointBC1, pointCD1, pointDA1,
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pointAB2, pointBC2, pointCD2, pointDA2 ],
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triangles=[
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[0, 1, 2],
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[0, 2, 3],
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[4, 6, 5],
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[4, 7, 6],
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[0, 4, 1],
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[1, 4, 5],
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[1, 5, 2],
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[2, 5, 6],
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[2, 6, 3],
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[3, 6, 7],
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[3, 7, 0],
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[0, 7, 4] ] );
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} else {
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if (!validAngle) echo("Trapezoid invalid, angle must be less than 90");
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else echo("Trapezoid invalid, H is larger than triangle");
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}
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}
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@ -2,6 +2,7 @@
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include <./path_extrude.scad>;
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include <./threads.scad>;
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include <./Triangles.scad>;
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/**
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* THREADS
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@ -426,4 +427,185 @@ module triangle_void_3 (i) {
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translate([-(length / 2) - 5, 0, 0]) rotate([0, 0, -ANGLE_C]) cube([10, width * 2, height + 1], center = true);
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}
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}
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}
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/**
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* Spindles
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**/
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module gnal_spindle_bottom_base ( HEX = false) {
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D = 8.45 * 2;
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H = 20;
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//for grip
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BUMP = 2; //diameter
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BUMPS = 6;
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TOP_D = 19;
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TOP_H = 9.5;
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TOP_OFFSET = -24.5;
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union() {
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translate([0, 0, -15]) {
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cylinder(r = D / 2, h = H, center = true, $fn = FINE);
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}
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//hex version
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if (HEX) {
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translate([0, 0, TOP_OFFSET]) {
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cylinder(r = 11.1, h = TOP_H, center = true, $fn = 6);
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}
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} else {
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translate([0, 0, TOP_OFFSET]) {
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cylinder(r = TOP_D / 2, h = TOP_H, center = true, $fn = FINE);
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}
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}
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for (i = [0 : BUMPS]) {
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rotate([0, 0, (360 / BUMPS) * i]) {
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translate([0, 8.9, TOP_OFFSET]) {
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cylinder(r = BUMP, h = TOP_H, center = true, $fn = 60);
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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 outer_screw (LEN) {
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OD = 10;
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PITCH = 1.5;
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THREAD = 1.6;
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difference () {
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translate([0, 0, -7.1]) metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length=LEN);
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//bevel top of screw
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translate([0, 0, LEN - 8]) difference() {
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cylinder(r = 8, h = 3, center = true, $fn = FINE);
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cylinder(r1 = 6, r2 = 3, h = 3.01, center = true, $fn = FINE);
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}
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}
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}
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module gnal_spindle_bottom (ALT = false, HEX = false) {
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OD = 13.6 + .5;
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PITCH = 1.5;
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THREAD = 1.6;
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IN_LEN = 21;
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LEN = 17.1;
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ALT_LEN = 27.1;
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difference () {
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gnal_spindle_bottom_base(HEX);
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//inner screw negative
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translate([0, 0, -30]) union() {
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metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
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translate([0, 0, 0.2]) {
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metric_thread (diameter=OD, pitch=PITCH, thread_size = THREAD, length = IN_LEN);
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}
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}
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}
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difference () {
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//outer screw
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if (ALT) {
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outer_screw(ALT_LEN);
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} else {
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outer_screw(LEN);
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}
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//hollow center
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cylinder(r = 3.8 / 2, h = 100, center = true, $fn = 60);
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}
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}
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module gnal_spindle_top () {
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D = 50;
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THICKNESS = 2.5;
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H = 19.5;
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ROUND = 8;
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HANDLE_D = 13.25;
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HANDLE_BASE = 16;
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HANDLE_TOP = 13;
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HANDLE_H = 54.5;
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NOTCHES = 17;
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NOTCH = 1.5;
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FINE = 200;
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difference () {
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//cup
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translate([0, 0, ROUND - 2]) minkowski () {
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cylinder(r = (D / 2) - ROUND, h = (H * 2) - ROUND, center = true, $fn = FINE);
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sphere(r = ROUND, $fn = FINE);
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}
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translate([0, 0, ROUND - 2 + THICKNESS]) minkowski () {
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cylinder(r = (D / 2) - THICKNESS - ROUND, h = (H * 2) - ROUND, center = true, $fn = 200);
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sphere(r = ROUND, $fn = FINE);
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}
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//hollow out cup
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translate([0, 0, H + ROUND - 4 - 3]) {
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cylinder(r = (D / 2) + 1, h = H * 2, center = true);
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}
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//inner cup bevel
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translate([0, 0, (H / 2) - ROUND - 1]) {
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cylinder(r1 = (D / 2) - 2.5, r2 = (D / 2) - 2.5 + 1, h = 1, center = true, $fn = FINE);
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}
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//outer cup bevel
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translate([0, 0, (H / 2) - ROUND - 1]) {
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difference () {
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cylinder(r = (D / 2) + .25, h = 1, center = true, $fn = FINE);
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cylinder(r2 = (D / 2) - .8, r1 = (D / 2) - .8 + 1, h = 1, center = true, $fn = FINE);
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}
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}
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//hole in cup
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translate([21, 0, -10]) cylinder(r = 3 / 2, h = 40, center = true, $fn = 40);
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}
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//reference cylinder
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//translate([0, 0, -6.6]) color("red") cylinder(r = 50 / 2, h = 19.57, center = true);
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//handle
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translate([0, 0, -15]) {
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difference() {
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cylinder(r1 = HANDLE_BASE / 2, r2 = HANDLE_TOP / 2, h = HANDLE_H, $fn = FINE);
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//ring negative
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translate([0, 0, 31 + 14.5]) {
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difference () {
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cylinder(r = HANDLE_D / 2 + 2, h = 20, center = true);
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cylinder(r = HANDLE_D / 2 - .5, h = 20 + 1, center = true);
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}
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}
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//handle notches
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for(i = [0 : NOTCHES]) {
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rotate([0, 0, i * (360 / NOTCHES)]) {
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translate([0, HANDLE_D / 2 - .5, 31 + 14.5]) {
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rotate([0.75, 0, 0]) rotate([0, 0, 45]) {
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Right_Angled_Triangle(a = NOTCH, b = NOTCH, height = 20, centerXYZ=[true, true, true]);
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}
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}
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}
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}
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//bevel handle at top
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translate([0, 0, 54.01]) {
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difference () {
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cylinder(r = 13 / 2, h = 1, center = true);
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cylinder(r1 = 12.5 / 2, r2 = 11.5 / 2, h = 1.01, center = true);
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}
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}
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}
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}
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//attach handle with pyramid cylinder
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translate ([0, 0, -13.7]) {
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cylinder(r1 = 16 / 2 + 2, r2 = 16 / 2 - .1, h = 3, center = true, $fn = FINE);
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}
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//plate under cup
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translate([0, 0, -17.75]) {
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cylinder(r = 31.5 / 2, h = 1, center = true, $fn = FINE);
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}
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//screw
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translate([0, 0, -37.5]) {
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metric_thread (diameter=13.6, pitch=1.5 ,thread_size = 1.6, length = 21);
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}
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//cylinder plug
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translate([0, 0, -37.5 + (21 / 2) - 1]) {
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cylinder(r = 12 / 2, h = 21, center = true, $fn = FINE);
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}
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}
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@ -9,7 +9,7 @@ DIST=./stl
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IMG=./img
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NOTES=./notes/${V}.csv
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FILES=( "spacer" "top" "spiral" "quarter_a" "quarter_b" "quarter_c" "quarter_d" "insert_s8" "insert_16" "spacer_16" )
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FILES=( "spindle_top" "spindle_bottom" "spacer" "top" "spiral" "quarter_a" "quarter_b" "quarter_c" "quarter_d" "insert_s8" "insert_16" "spacer_16" )
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SIZES=( "50ft" "100ft" )
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mkdir -p $DIST
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