nuts-bolts.md

Nuts and Bolts

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List of Functions

BoltProfile( ... )	create profile
Bolt( profile )	generate bolt
BoltPanelHole( profile )	generate 2D holes for panel mounting
NutProfile( ... )	create profile
Nut( profile )	generate nut

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BoltProfile( ... )

model		user defined model name
shape = "hex"		shape of head: "hex", "square" or "round"
feature = "none"		feature on head: "none", "minus", "plus" or "hex"
shaftDiameter	✔	shaft diameter
length	✔	length, exclusing head
headDiameter	✔	head diameter
headThickness	✔	head thickness
return		KVTree profile

Bolt( profile )

profile

✔

bolt profile to display

BoltPanelHole( profile )

profile

✔

bolt profile to generate panel holes for

NutProfile( ... )

model		user defined model name
shape = "hex"		shape of head: "hex", "square" or "round"
boltDiameter	✔	inside diameter
nutDiameter	✔	outside diameter
thickness	✔	thickness
return		KVTree profile

Nut( profile )

profile

✔

nut profile to display

---

Data Structure

type    : "bolt"
model   : "esV"
diameter: 5
length  : 20
head    = shape    : "hex"
          diameter : 10
          thickness: 3
          feature  : "none"

type        : "nut"
model       : "ella"
shape       : "hex"
boltDiameter: 5
nutDiameter : 8
thickness   : 3

---

Sample Code

profile = BoltProfile(
    shape         = "hex",  // "hex" | "square" | "round" 
    feature       = "none", // "none" | "minus" | "plus" | "hex"
    shaftDiameter = 5,
    length        = 20,
    headDiameter  = 10,
    headThickness = 3 );
Bolt( profile );

translate( [0,-15,0] )
    linear_extrude( 3 )
    difference() {
        square( [10,10], center=true );
        BoltPanelHole( profile );
    }

translate( [30,0,0] ) {
                          featureVariation( "hex" );
    translate( [20,0,0] ) featureVariation( "square" );
    translate( [40,0,0] ) featureVariation( "round" );
}

translate( [0,-40,0] ) {
    nut1 = NutProfile( shape="hex",    boltDiameter=5, nutDiameter=8, thickness=3 );
    nut2 = NutProfile( shape="square", boltDiameter=5, nutDiameter=8, thickness=3 );
    nut3 = NutProfile( shape="round",  boltDiameter=5, nutDiameter=8, thickness=3 );
                          Nut( nut1 );
    translate( [10,0,0] ) Nut( nut2 );
    translate( [20,0,0] ) Nut( nut3 );
}

module featureVariation( shape ) {
    b1 = BoltProfile( shape=shape, shaftDiameter=3, length=15, headDiameter=6, headThickness=3 );
    Bolt( b1 );
    translate( [0,15,0] ) {
        b2 = BoltProfile( shape=shape, feature="minus", shaftDiameter=3, length=15, headDiameter=6, headThickness=3 );
        Bolt( b2 );
    }
    translate( [0,30,0] ) {
        b3 = BoltProfile( shape=shape, feature="plus", shaftDiameter=3, length=15, headDiameter=6, headThickness=3 );
        Bolt( b3 );
    }
    translate( [0,45,0] ) {
        b4 = BoltProfile( shape=shape, feature="hex", shaftDiameter=3, length=15, headDiameter=6, headThickness=3 );
        Bolt( b4 );
    }
}