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August 30, 2019 22:46
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OpenSCAD source code: CNC 3018-Pro Probe Camera mount for Logitech QC Pro 5000
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// Probe Camera Mount for CNC 3018-Pro Z Axis | |
// Ed Nisley - KE4ZNU - 2019-08 | |
Layout = "Block"; // [Show,Build,Block] | |
Support = false; | |
/* [Hidden] */ | |
ThreadThick = 0.20; | |
ThreadWidth = 0.40; | |
HoleWindage = 0.2; | |
Protrusion = 0.1; // make holes end cleanly | |
function IntegerMultiple(Size,Unit) = Unit * ceil(Size / Unit); | |
ID = 0; | |
OD = 1; | |
LENGTH = 2; | |
inch = 25.4; | |
//---------------------- | |
// Dimensions | |
PCB = [45.0,38.0,1.5]; // Logitech QuickCam Pro 5000 ball camera | |
PCBLip = 1.0; // max non-component border | |
PCBChamfer = 3.0; // cut along XY axes for corner bevel | |
PCBClearTop = 15.0; // cables & connectors | |
PCBClearSides = [0.5,0.5]; // irregular edges & comfort zone | |
PCBClearBelow = 5.0; // lens support bracket rests on floor | |
Lens = [11.5,14.2,3.0]; // LENGTH = beyond PCBClearBelow bracket | |
LensOffset = [-1.5,0.0,0]; // distance from center of board | |
CableOD = 4.5; | |
BaseThick = Lens[LENGTH]; | |
Screw = [ | |
3.0,6.8,18.0 // M3 OD=washer, LENGTH=below head | |
]; | |
RoundRadius = IntegerMultiple(Screw[OD]/2,1.0); // corner rounding | |
ScrewOC = [PCB.x + 2*sqrt(Screw[OD]),PCB.y + 2*sqrt(Screw[OD])]; | |
echo(str("Screw OC: ",ScrewOC)); | |
Lid = [ScrewOC.x,ScrewOC.y,1.0/16.0 * inch]; // top cover plate | |
echo(str("Lid: ",Lid)); | |
BlockSize = [ScrewOC.x + 2*RoundRadius,ScrewOC.y + 2*RoundRadius, | |
BaseThick + PCBClearBelow + PCB.z + PCBClearTop + Lid.z]; | |
echo(str("Block: ",BlockSize)); | |
NumSides = 2*3*4; | |
//---------------------- | |
// Useful routines | |
module PolyCyl(Dia,Height,ForceSides=0) { // based on nophead's polyholes | |
Sides = (ForceSides != 0) ? ForceSides : (ceil(Dia) + 2); | |
FixDia = Dia / cos(180/Sides); | |
cylinder(r=(FixDia + HoleWindage)/2, | |
h=Height, | |
$fn=Sides); | |
} | |
// Basic shapes | |
// Overall block | |
module Block() { | |
difference() { | |
hull() | |
for (i=[-1,1], j=[-1,1]) | |
translate([i*ScrewOC.x/2,j*ScrewOC.y/2,0]) | |
cylinder(r=RoundRadius,h=BlockSize.z,$fn=NumSides); | |
for (i=[-1,1], j=[-1,1]) // corner screws | |
translate([i*ScrewOC.x/2,j*ScrewOC.y/2,BlockSize.z - Screw[LENGTH]]) | |
cylinder(d=Screw[ID],h=2*Screw[LENGTH],$fn=8); // cylinder = undersized | |
translate(LensOffset + [0,0,-Protrusion]) // lens body | |
PolyCyl(Lens[OD],2*BlockSize.z,NumSides); | |
translate([0,0,BlockSize.z/2 + BaseThick]) // PCB lip on bottom | |
cube([PCB.x - 2*PCBLip,PCB.y,BlockSize.z],center=true); | |
translate([0,0,BlockSize.z/2 + BaseThick + PCBClearBelow]) // PCB clearance | |
cube([PCB.x + 2*PCBClearSides.x,PCB.y + 2*PCBClearSides.y,BlockSize.z],center=true); | |
translate([0,0,BlockSize.z - Lid.z/2]) // lid recess | |
cube(Lid + [0,0,Protrusion],center=true); | |
translate([0,Lid.y/2 - CableOD/2,BaseThick + PCBClearBelow + PCB.z]) // cable exit | |
hull() | |
for (j=[-1,1]) | |
translate([0,j*CableOD/4,0]) | |
rotate(180/8) | |
PolyCyl(CableOD,BlockSize.z,8); | |
} | |
} | |
//- Build it | |
if (Layout == "Block") | |
Block(); | |
if (Layout == "Show") { | |
Block(); | |
} | |
if (Layout == "Build") { | |
Block(); | |
} |
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