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Copy pathZ axis retainer block.scad
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Z axis retainer block.scad
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include <thirdparty/MCAD/bearing.scad>
// Modifications to Prusa's parts require the modifications I've made to the original models, which are in a public
// github fork here: https://github.com/appideasDOTcom/Original-Prusa-i3
// include <thirdparty/prusa/Original-Prusa-i3/Printed-Parts/scad/x-end-idler.scad>
// include <thirdparty/prusa/Original-Prusa-i3/Printed-Parts/scad/x-end-motor.scad>
/* Render quality variables */
$fa = 1;
$fs = 0.1;
/* END Render quality variables */
/* Global variables */
bearingHeight = 7;
/* END Global variables */
/* Lead screw retainer variables */
leadScrewPostDiameter = 8;
leadScrewPostZOffset = 1;
leadScrewPostHeight = (bearingHeight - leadScrewPostZOffset);
leadScrewCapLowerDiamter = 10.5;
leadScrewCapUpperDiamter = 13.5;
leadScrewCapHeight = 10;
leadScrewCutoutDepth = 8;
leadScrewCutoutDiameter = 8.4;
supportGap = 0.1;
/* END Lead screw retainer variables */
/* Bearing retainer variables */
bearingOuterDiameter = 22.0; // Don't squeeze this bearing
bearingRetainerHeight = bearingHeight;
bearingReliefDiameter = 15;
bearingReliefInset = 1;
/* END Bearing retainer variables */
// Bearing spacer (flange) parameters
// Bearing flange superceded the (now obsolete) lead screw retainer
bearingSpacerPostDiameter = 8.2;
bearingSpacerPostZOffset = 1;
bearingSpacerPostHeight = (bearingHeight - bearingSpacerPostZOffset);
bearingSpacerBufferDiameter = 10.5;
bearingSpacerBufferHeight = 2;
bearingSpacerPlatformDiameter = 13;
bearingSpacerPlatformHeight = 0;
/* Linear rod retainer variables */
linearRodCutoutDiameter = 8.0; // It would be OK to squeeze this one a little as long as the plastic isn't compromised
// To make it so that we can use pre-cut 362mm linear motion rods with pre-cut 350mm lead screws, sink
// the linear rod 6mm deeper on each side
linearRodCutoutDepth = bearingHeight;
linearRodCutoutAdjustedDepth = linearRodCutoutDepth + 6;
/* END Linear rod retainer variables */
pieceHeight = 30 + bearingHeight + bearingSpacerBufferHeight + bearingSpacerPlatformHeight; // 28 puts the bottom of the bearing cutout exactly at the rail
railWidth = 20;
wallThickness = 10;
wallHeight = 24;
distanceBetweenRetainers = 17;
distanceFromTower = 45;
distanceFromInside = (-1 * (railWidth/2)) + 0; // pull it to the center of the rail, then offset
rightSideDistanceFromInside = (-1 * (railWidth/2)) - 30;
cornerDiameter = 4;
pieceWidth = distanceFromInside + railWidth + (bearingOuterDiameter/2) + distanceBetweenRetainers + (linearRodCutoutDiameter/2) - 4;
pieceDepth = distanceFromTower + (bearingOuterDiameter/2) + 14;
insideWallDepth = 5;
insideThroughHoleOffset = 12;
topThroughHoleOffset = 7;
supportWallDistance = 8;
supportCubeDimension = 6;
bottomToCut = 1;
vertRailLength = 330;
horizRailLength = 300;
bottomRailLength = 90.3;
topPieceHeight = 19;
topWallWidth = 18.2;
topBearingTolerance = 0.2; // Add a little tolerance on the top bearing traps due to printing orientation differences
topLineraRodTolerance = 0.2; // Add a little tolerance on the top linear rod traps due to printing orientation differences
zIdlerSpacerInnerDiameter = 5.6;
zIdlerSpacerOuterDiameter = 10;
zIdlerSpacerHeight = 2;
extraBaseHeight = 20; // make the base taller to recover unused Z axis space
// Build things
// Model of a 608 bearing for fit
// #bearing( model= "SkateBearing" );
/* Constructed components */
// leadScrewBearingAdapter(); // obsolete
// zAxisIdlerPulleySpacer(); // obsolete
// These are probably the things you will want to print
// bearingFlange();
// bottomLeftBase();
// bottomRightBase();
// topLeftBase();
// topRightBase();
// This has been made obsolete with the printerx construction.scad file
// constructedUnit();
// These are helpers, and not necessarily useful as stand-alone prints
// retainerCutouts();
// rails();
// bearingUnit();
// Tests & support
// xIdlerTest();
// xMotorTest();
// x_end_idler();
// x_end_motor();
// Below here is module code
module constructedUnit()
{
translate( [-1 * pieceDepth - 0.1, -1 * railWidth - 0.1, -0.1] )
{
%rails();
}
color( "blue" ) bottomLeftBase();
translate( [0, -1 * horizRailLength - (railWidth * 2), 0] )
{
color( "blue" ) bottomRightBase();
}
translate( [0, 0, vertRailLength + railWidth] )
{
color( "blue" ) topLeftBase();
}
translate( [0, -1 * (horizRailLength + (railWidth * 2)), vertRailLength + railWidth] )
{
color( "blue" ) topRightBase();
}
}
module topLeftBase()
{
topToCut = railWidth - 0.9;
union()
{
{
translate( [0, 0, topToCut] )
{
difference()
{
{
translate( [0, 0, bottomToCut] )
{
rotate( [180, 0, 0] )
{
bottomRightBase( 0 );
}
}
}
{
translate( [-79, -50, -1 * topToCut] )
{
cube( [80, 80, topToCut + 0.1] );
}
}
}
}
}
{
difference()
{
{
translate( [0, 0, 0] )
{
topSideBracketConnector();
}
}
{
translate( [-10, -3, 0] )
{
cube( [35, 26, 1] );
}
}
}
}
}
}
module topRightBase()
{
mirror( [0, 1, 0] )
{
topLeftBase();
}
}
module topSideBracketConnector()
{
hullOffset = 22.0 - bearingOuterDiameter;
difference()
{
{
hull()
{
{
translate( [(cornerDiameter/2), (cornerDiameter/2), -1 * (topPieceHeight + wallHeight) + 0.1] )
{
cube( [railWidth - cornerDiameter, topWallWidth - cornerDiameter, topPieceHeight + wallHeight] );
}
}
{
union()
{
translate( [railWidth - (cornerDiameter/2), railWidth - cornerDiameter + hullOffset, -1 * (topPieceHeight + wallHeight) + 0.1] )
{
cylinder( d= cornerDiameter, h = topPieceHeight + wallHeight );
}
translate( [railWidth - (cornerDiameter), 0, -1 * (topPieceHeight + wallHeight) + 0.1] )
{
cube( [cornerDiameter, cornerDiameter, topPieceHeight + wallHeight] );
}
translate( [-1 * (cornerDiameter * 2) + 2, cornerDiameter/2, -1 * (topPieceHeight + wallHeight) + 0.1] )
{
cylinder( d= cornerDiameter, h = topPieceHeight + wallHeight );
}
translate( [-1 * (cornerDiameter * 2) + 6, railWidth - (cornerDiameter) + hullOffset, -1 * (topPieceHeight + wallHeight) + 0.1] )
{
cylinder( d= cornerDiameter, h = topPieceHeight + wallHeight );
}
}
}
}
}
{
union()
{
translate( [(railWidth/2), railWidth - 0.1, -1 * topThroughHoleOffset] )
{
rotate( [90, 0, 0] )
{
m5ThroughHole( h = railWidth );
translate( [0, 0, -3.1] )
{
m5HeadCutout();
}
}
}
translate( [(railWidth/2), railWidth - 0.1, -1 * (topPieceHeight + wallHeight - topThroughHoleOffset)] )
{
rotate( [90, 0, 0] )
{
m5ThroughHole( h = railWidth );
translate( [0, 0, -3.1] )
{
m5HeadCutout();
}
}
}
}
}
}
}
module bottomRightBase( includeEndHoles = 1 )
{
mirror( [0, 1, 0] )
{
bottomLeftBase( includeEndHoles );
}
}
module bearingUnit()
{
bearing( model= "SkateBearing" );
bearingFlange();
translate( [0, 0, (bearingHeight + bearingSpacerBufferHeight + bearingSpacerPlatformHeight)] )
{
bearing( model= "SkateBearing" );
}
}
module rails()
{
railCutout( height = bottomRailLength );
translate( [bottomRailLength - railWidth - 0.2, 0, vertRailLength + railWidth] )
{
rotate( [0, 90, 0] )
{
railCutout( height = vertRailLength );
}
}
translate( [bottomRailLength - railWidth - 0.2, 0.1, vertRailLength - 0.2] )
{
rotate( [0, 0, -90] )
{
railCutout( height = horizRailLength );
}
}
translate( [bottomRailLength - railWidth - 0.2, -1 * (horizRailLength + railWidth), vertRailLength + railWidth] )
{
rotate( [0, 90, 0] )
{
railCutout( height = vertRailLength );
}
}
translate( [0, -1 * (horizRailLength + railWidth), 0] )
{
railCutout( height = bottomRailLength );
}
}
module bottomLeftBase( includeEndHoles = 1 )
{
difference()
{
{
if( includeEndHoles == 1 )
{
base();
}
else
{
topBase();
}
}
{
union()
{
if( includeEndHoles == 1 )
{
translate( [-1 * distanceFromTower, distanceFromInside, pieceHeight - linearRodCutoutDepth - bearingHeight - bearingSpacerBufferHeight - bearingSpacerPlatformHeight + extraBaseHeight] )
{
retainerCutouts( includeEndHoles );
}
}
else
{
translate( [-1 * distanceFromTower, distanceFromInside, pieceHeight - linearRodCutoutDepth - bearingHeight - bearingSpacerBufferHeight - bearingSpacerPlatformHeight] )
{
retainerCutouts( includeEndHoles );
}
}
translate( [-1 * pieceDepth, -1 * railWidth - 0.1, -0.1] )
{
rails();
}
baseThroughHoles( includeEndHoles );
translate( [-80, -50, -10 + bottomToCut] )
{
cube( [100, 100, 10] );
}
if( includeEndHoles == 1 )
{
cutoutHeight = (bearingHeight * 2) + bearingSpacerBufferHeight + bearingSpacerPlatformHeight;
cutoutAmount = 0.6; // Cut a few layers out of the circle when printed on edge to force a small bridge on the top and to make the requisite <layer height> flats be outside of the zero-tolerance shapes
translate( [-1 * distanceFromTower - (bearingOuterDiameter/2) - cutoutAmount, -1 * (bearingOuterDiameter/2) - 2.5, pieceHeight - cutoutHeight + extraBaseHeight] )
{
cube( [5, bearingOuterDiameter/3, cutoutHeight + 0.1] );
translate( [bearingOuterDiameter - 4.4 + cutoutAmount, 0, 0] )
{
cube( [5, bearingOuterDiameter/3, cutoutHeight + 0.1] );
}
}
smallCutoutAmount = 0.4;
translate( [-1 * distanceFromTower - (linearRodCutoutDiameter/2) - smallCutoutAmount, -1 * (bearingOuterDiameter/2) + distanceBetweenRetainers - 0.2, pieceHeight - linearRodCutoutAdjustedDepth + extraBaseHeight] )
{
cube( [2, linearRodCutoutDiameter/3, linearRodCutoutAdjustedDepth + 0.1] );
translate( [linearRodCutoutDiameter - 1.6 + smallCutoutAmount, 0, 0] )
{
cube( [2, linearRodCutoutDiameter/3, linearRodCutoutAdjustedDepth + 0.1] );
}
}
}
}
}
}
}
module baseThroughHoles( includeEndHoles = 1 )
{
if( includeEndHoles == 1 )
{
translate( [0.1, -1 * railWidth/2, pieceHeight + wallHeight - 6 + extraBaseHeight] )
{
rotate( [0, -90, 0] )
{
m5ThroughHole();
translate( [0, 0, 4] )
{
m5HeadCutout();
}
}
}
}
else
{
translate( [0.1, -1 * railWidth/2, pieceHeight + wallHeight - 6] )
{
rotate( [0, -90, 0] )
{
m5ThroughHole();
translate( [0, 0, 4] )
{
m5HeadCutout();
}
}
}
}
translate( [-1 * insideThroughHoleOffset, -1 * (railWidth + insideWallDepth - 1), (railWidth/2)] )
{
rotate( [90, 0, 0] )
{
m5HeadCutout();
}
}
translate( [-1 * insideThroughHoleOffset, -1 * (railWidth - 0.1), (railWidth/2)])
{
rotate( [90, 0, 0] )
{
m5ThroughHole();
}
}
translate( [-1 * (pieceDepth - insideThroughHoleOffset), -1 * (railWidth + insideWallDepth - 1), (railWidth/2)] )
{
rotate( [90, 0, 0] )
{
m5HeadCutout();
}
}
translate( [-1 * (pieceDepth - insideThroughHoleOffset), -1 * (railWidth - 0.1), (railWidth/2)])
{
rotate( [90, 0, 0] )
{
m5ThroughHole();
}
}
if( includeEndHoles == 1 )
{
translate( [-1 * (pieceDepth) + topThroughHoleOffset, -1 * (railWidth/2), railWidth - 0.1 + extraBaseHeight])
{
translate( [0, 0, -20] )
{
rotate( [0, 0, 0] )
{
m5ThroughHole( h = 40 );
}
}
translate( [0, 0, 4 - 20] )
{
m5HeadCutout( h = 40 );
}
}
}
}
module topBase()
{
hull()
{
{
translate( [-1 * (pieceDepth - (cornerDiameter/2)), -1 * railWidth + (cornerDiameter/2), 0] )
{
cube( [pieceDepth - cornerDiameter, pieceWidth - cornerDiameter, pieceHeight] );
}
}
{
translate( [-1 * (cornerDiameter/2), pieceWidth - railWidth - (cornerDiameter/2), 0])
{
cylinder( d = cornerDiameter, h = pieceHeight);
}
translate( [-1 * (pieceDepth - cornerDiameter/2), pieceWidth - railWidth - (cornerDiameter/2), 0])
{
cylinder( d = cornerDiameter, h = pieceHeight);
}
translate( [(-1 * pieceDepth) + (cornerDiameter/2), (-1 * (railWidth + insideWallDepth)) + (cornerDiameter/2), 0] )
{
cylinder( d = cornerDiameter, h = pieceHeight );
}
translate( [ -1 * (cornerDiameter/2), (-1 * (railWidth + insideWallDepth)) + (cornerDiameter/2), 0] )
{
cylinder( d = cornerDiameter, h = pieceHeight );
}
}
}
supportWallEssCurves();
translate( [-1 * wallThickness, -1 * railWidth, pieceHeight] )
{
supportWall();
}
}
module base()
{
hull()
{
{
translate( [-1 * (pieceDepth - (cornerDiameter/2)), -1 * railWidth + (cornerDiameter/2), 0] )
{
cube( [pieceDepth - cornerDiameter, pieceWidth - cornerDiameter, pieceHeight + extraBaseHeight] );
}
}
{
union()
{
translate( [-1 * (cornerDiameter/2), pieceWidth - railWidth - (cornerDiameter/2), 0])
{
cylinder( d = cornerDiameter, h = pieceHeight + extraBaseHeight - (cornerDiameter/2));
translate( [0, 0, (pieceHeight + extraBaseHeight) - (cornerDiameter/2)] ) sphere( d = (cornerDiameter/1) );
}
translate( [-1 * (pieceDepth - cornerDiameter/2), pieceWidth - railWidth - (cornerDiameter/2), 0])
{
cylinder( d = cornerDiameter, h = pieceHeight + extraBaseHeight - (cornerDiameter/2) );
translate( [0, 0, (pieceHeight + extraBaseHeight) - (cornerDiameter/2)] ) sphere( d = (cornerDiameter/1) );
}
// Use the commented hull to stop at the rail
// translate( [-1 * cornerDiameter, -1 * railWidth, 0] )
// {
// cube( [cornerDiameter, cornerDiameter, pieceHeight] );
// }
// translate( [-1 * pieceDepth, -1 * railWidth, 0] )
// {
// cube( [cornerDiameter, cornerDiameter, pieceHeight] );
// }
translate( [(-1 * pieceDepth) + (cornerDiameter/2), (-1 * (railWidth + insideWallDepth)) + (cornerDiameter/2), 0] )
{
cylinder( d = cornerDiameter, h = pieceHeight + extraBaseHeight - (cornerDiameter/2 ) );
translate( [0, 0, (pieceHeight + extraBaseHeight) - (cornerDiameter/2)] ) sphere( d = (cornerDiameter/1) );
}
translate( [ -1 * (cornerDiameter/2), (-1 * (railWidth + insideWallDepth)) + (cornerDiameter/2), 0] )
{
cylinder( d = cornerDiameter, h = pieceHeight + extraBaseHeight - (cornerDiameter/2) );
translate( [0, 0, (pieceHeight + extraBaseHeight) - (cornerDiameter/2)] ) sphere( d = (cornerDiameter/1) );
}
}
}
}
translate( [0, 0, extraBaseHeight] )
{
supportWallEssCurves();
}
translate( [-1 * wallThickness, -1 * railWidth, pieceHeight + extraBaseHeight] )
{
supportWall();
}
}
module supportWallEssCurves()
{
difference()
{
{
union()
{
translate( [-1 * (supportWallDistance + (cornerDiameter * 1.5) + supportCubeDimension), -1 * railWidth, (cornerDiameter/2) + pieceHeight] )
{
rotate( [90, 0, 180] )
{
essCurve( d = cornerDiameter, h = railWidth );
}
}
translate( [0, -1 * railWidth - (cornerDiameter/2), (cornerDiameter/2) + pieceHeight] )
{
rotate( [90, 0, 270] )
{
essCurve( d = cornerDiameter, h = (supportWallDistance + supportCubeDimension + (cornerDiameter * 1.5)) );
}
}
translate( [-1 * railWidth, (cornerDiameter/2), (cornerDiameter/2) + pieceHeight] )
{
rotate( [90, 0, 90] )
{
essCurve( d = cornerDiameter, h = (supportWallDistance + supportCubeDimension + (cornerDiameter * 1.5)) );
}
}
}
}
{
translate( [-1 * (supportWallDistance + (cornerDiameter * 1.5) + supportCubeDimension), 10, pieceHeight + (cornerDiameter/2)] )
{
rotate( [90, 0, 0] )
{
cylinder( d = cornerDiameter, h = 50 );
}
}
}
}
}
module supportWall()
{
hull()
{
{
translate( [5, -1 * (cornerDiameter/2), -5] ) cube( [5, (cornerDiameter/2), 5] );
}
{
translate( [wallThickness - (cornerDiameter/2), -1 * (cornerDiameter/2) - 0.9, -1 * (cornerDiameter/2)] ) sphere( d = (cornerDiameter/1) );
}
}
hull()
{
{
translate( [5, railWidth, -5] ) cube( [5, (cornerDiameter/2), 5] );
}
{
translate( [wallThickness - (cornerDiameter/2), railWidth + cornerDiameter + 0.9, -1 * (cornerDiameter/2) + 0] ) sphere( d = (cornerDiameter/1) );
}
}
hull()
{
{
union()
{
translate( [(cornerDiameter/4), (cornerDiameter/4), -3] ) cube( [wallThickness - (cornerDiameter/4), railWidth - (cornerDiameter/2), wallHeight + 3 - (cornerDiameter/4)] );
translate( [(cornerDiameter/4), 0, -3] ) cube( [wallThickness - (cornerDiameter/4), railWidth, supportCubeDimension] );
//translate( [5, -1 * (cornerDiameter/2), -5] ) cube( [5, (cornerDiameter/2), 5] );
//translate( [5, railWidth, -5] ) cube( [5, (cornerDiameter/2), 5] );
}
}
{
union()
{
translate( [-1 * supportWallDistance, 0, 0] )
{
cube( [supportCubeDimension, supportCubeDimension, supportCubeDimension] );
// translate( [(cornerDiameter/4), (cornerDiameter/4), supportCubeDimension + 2] ) sphere( d = (cornerDiameter/2) );
translate( [0, railWidth - supportCubeDimension, 0] )
{
cube( [supportCubeDimension, supportCubeDimension, supportCubeDimension] );
// translate( [(cornerDiameter/4), supportCubeDimension - (cornerDiameter/4), supportCubeDimension + 2] ) sphere( d = (cornerDiameter/2) );
}
translate( [wallThickness - (cornerDiameter/4), (cornerDiameter/4), wallHeight - (cornerDiameter/4)] )
{
sphere( d = (cornerDiameter/2) );
rotate( [0, 90, 0] ) cylinder( d = cornerDiameter/2, h = wallThickness - (cornerDiameter/4) );
}
translate( [wallThickness - (cornerDiameter/4), railWidth - (cornerDiameter/4), wallHeight - (cornerDiameter/4)] )
{
sphere( d = (cornerDiameter/2) );
rotate( [0, 90, 0] ) cylinder( d = cornerDiameter/2, h = wallThickness - (cornerDiameter/4) );
}
}
}
}
}
}
module retainerCutouts( isBottom = 0 )
{
bearingRetainerCutout( isBottom );
translate( [0, distanceBetweenRetainers, (bearingHeight + bearingSpacerBufferHeight + bearingSpacerPlatformHeight)] )
{
linearRodCutout( isBottom );
}
}
module railCutout( height = (pieceDepth + 0.2) )
{
cube( [height, railWidth + 0.2, (railWidth + 0.2)] );
}
module linearRodCutout( isBottom = 0 )
{
// linearRodCutoutAdjustedDepth
// linearRodCutoutDepth
zAdjust = -1 * (linearRodCutoutAdjustedDepth - linearRodCutoutDepth);
translate( [0, 0, zAdjust] )
{
if( isBottom )
{
cylinder( d=linearRodCutoutDiameter, h=linearRodCutoutAdjustedDepth + 0.1 );
}
else
{
cylinder( d=linearRodCutoutDiameter + topLineraRodTolerance, h=linearRodCutoutAdjustedDepth + 0.1 );
}
}
}
module bearingRetainerCutout( isBottom = 0 )
{
union()
{
if( isBottom == 1 )
{
cylinder( d=bearingOuterDiameter, h=((bearingRetainerHeight * 2) + bearingSpacerBufferHeight + bearingSpacerPlatformHeight + 0.1) );
}
else
{
cylinder( d=bearingOuterDiameter + topBearingTolerance, h=((bearingRetainerHeight * 2) + bearingSpacerBufferHeight + bearingSpacerPlatformHeight + 0.1) );
}
translate( [0, 0, -1 * bearingReliefInset] )
{
cylinder( d=bearingReliefDiameter, h=(bearingRetainerHeight + bearingReliefInset + 0.1) );
}
}
}
module bearingFlange()
{
flangeEndShapeHeight = 1.6;
difference()
{
{
union()
{
hull()
{
{
translate( [0, 0, bearingSpacerPostZOffset + flangeEndShapeHeight] )
{
cylinder( d = bearingSpacerPostDiameter, h = bearingSpacerPostHeight - flangeEndShapeHeight );
}
}
{
translate( [0, 0, bearingSpacerPostZOffset + (bearingSpacerPostDiameter/2) ] )
{
sphere( d = bearingSpacerPostDiameter );
}
}
}
translate( [0, 0, bearingHeight] )
{
cylinder( d = bearingSpacerBufferDiameter, h = bearingSpacerBufferHeight );
}
translate( [0, 0, bearingHeight + bearingSpacerBufferHeight] )
{
cylinder( d = bearingSpacerPlatformDiameter, h = bearingSpacerPlatformHeight );
}
}
}
{
translate( [-5, -5, (bearingHeight + bearingSpacerBufferHeight)] )
{
cube( [10, 10, 5] );
}
}
}
}
module zAxisIdlerPulleySpacer()
{
difference()
{
{
cylinder( d = zIdlerSpacerOuterDiameter, h = zIdlerSpacerHeight );
}
{
translate( [0, 0, -0.1] )
{
cylinder( d = zIdlerSpacerInnerDiameter, h = zIdlerSpacerHeight + 0.2 );
}
}
}
}
// obsolete
module leadScrewBearingAdapter()
{
difference()
{
{
union()
{
{
translate( [0, 0, leadScrewPostZOffset] )
{
cylinder( d = leadScrewPostDiameter, h = leadScrewPostHeight );
}
}
{
translate( [0, 0, bearingHeight] )
{
cylinder( d1 = leadScrewCapLowerDiamter, d2 = leadScrewCapUpperDiamter, h = leadScrewCapHeight );
}
}
}
}
{
union()
{
{
translate( [0, 0, bearingHeight + leadScrewCapHeight - leadScrewCutoutDepth] )
{
cylinder( d = leadScrewCutoutDiameter, h = leadScrewCutoutDepth + 0.1 );
}
}
{
translate( [0, 0, bearingHeight + leadScrewCapHeight - leadScrewCutoutDepth - 2] )
{
cylinder( d1=1, d2=leadScrewCutoutDiameter, h=2 );
}
}
}
}
}
}
module m5ThroughHole( h = 10 )
{
m5ThroughHoleDiameter = 5.6; // no press-fit for a bolt!
cylinder( d=m5ThroughHoleDiameter, h=h );
}
module m5HeadCutout( h = 20 )
{
m5HeadDiameter = 9; // lots of extra room
m5HeadHeight = h;
cylinder( d=m5HeadDiameter, h=m5HeadHeight );
}
module cutoutPrintSupport()
{
printSupportThickness = 0.4;
printSupportWidth = (leadScrewCutoutDiameter - 0.4);
prinSupportHeight = (leadScrewCutoutDepth - supportGap);
printSupportAxisOffset = (leadScrewCutoutDiameter/2) - 0.2;
translate( [-1 * printSupportAxisOffset, -1 * (printSupportThickness/2), 0] )
{
cube( [printSupportWidth, printSupportThickness, prinSupportHeight] );
}
rotate( [0, 0, 90] )
{
translate( [-1 * printSupportAxisOffset, -1 * (printSupportThickness/2), 0] )
{
cube( [printSupportWidth, printSupportThickness, prinSupportHeight] );
}
}
}
module linearRodCutoutTest()
{
difference()
{
{
union()
{
translate( [-1 * ((linearRodCutoutDiameter + 3)/2), -1 * ((linearRodCutoutDiameter + 3)/2), 0] )
{
cube( [(linearRodCutoutDiameter + 3), (linearRodCutoutDiameter + 3), linearRodCutoutDepth] );
translate( [0, 0, -2] )
{
cube( [(linearRodCutoutDiameter + 3), (linearRodCutoutDiameter + 3), 2] );
}
}
}
}
{
linearRodCutout();
}
}
}
module bearingRetainerTest()
{
difference()
{
{
union()
{
translate( [-1 * ((bearingOuterDiameter + 3)/2), -1 * ((bearingOuterDiameter + 3)/2), 0] )
{
cube( [(bearingOuterDiameter + 3), (bearingOuterDiameter + 3), bearingRetainerHeight] );
}
translate( [-1 * ((bearingOuterDiameter + 3)/2), -1 * ((bearingOuterDiameter + 3)/2), -2] )
{
cube( [(bearingOuterDiameter + 3), (bearingOuterDiameter + 3), 2] );
}
}
}
{
bearingRetainerCutout();
}
}
}
module xIdlerTest()
{
difference()
{
{
x_end_idler();
}
{
// translate( [-40, -40, 8] )
// {
// cube([80, 80, 60]);
// }
}
}
}
module xMotorTest()