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EpoxySpreader.scad
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EpoxySpreader.scad
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gQuality=200;
gHandleRadius=6;
gHandleLength=200;
gBladeDimensions=[gHandleRadius*12,gHandleRadius*1.5,gHandleRadius];
gHandleBladeInsertionOffset=gBladeDimensions.y/1.8;
gIndexFingerGrooveRadius=3;
gIndexFingerDistanceAlongShaft=gHandleLength/1.5;
gMiddleFingerGrooveRadius=gIndexFingerGrooveRadius;
gMiddleFingerDistanceAlongShaft=gIndexFingerDistanceAlongShaft-10;
gPrintAllParts=true;
gPartToPrint=1;
module Blade()
{
// Blade
rotate([0,0,180])
scale(gBladeDimensions)
translate([0,-.5,0])
linear_extrude(height=1, center=true)
polygon(points=[[-1,0]/2,[1,0]/2, [.5,1]/2, [-.5,1]/2], paths=[[0,1,2,3]]);
}
module FingerGroove(radius, distanceDownHandle, zSide=1)
{
translate([0,distanceDownHandle/2,zSide*gHandleRadius])
rotate([0,90,0])
scale([1,2,1])
cylinder(r=gIndexFingerGrooveRadius, h=2000, center=true, $fn=gQuality);
}
if(gPrintAllParts || gPartToPrint==0)
{
// Handle
difference()
{
rotate([90,0,0])
cylinder(r=gHandleRadius, h=gHandleLength, center=true, $fn=gQuality);
// Carve out a spot for the blade to be accepted.
translate([0,gHandleLength/2+gBladeDimensions.y/2-gHandleBladeInsertionOffset,])
Blade();
// Finger groove
FingerGroove(gIndexFingerGrooveRadius, gIndexFingerDistanceAlongShaft);
FingerGroove(gMiddleFingerGrooveRadius, gMiddleFingerDistanceAlongShaft, -1);
}
}
if(gPrintAllParts || gPartToPrint==1)
{
// Blade
translate([0,gHandleLength/2+gBladeDimensions.y/2+($t),0])
Blade();
}