Struct scad_tree::Scad

source ·

pub struct Scad {
    pub op: ScadOp,
    pub children: Vec<Scad>,
}

Expand description

A tree of OpenSCAD operations.

Should not need to construct manually in end user code. We have macros and functions to do it for us.

Fields§

§op: ScadOp§children: Vec<Scad>

Implementations§

source §

impl Scad

source

pub fn external_circle_chamfer( size: f64, oversize: f64, radius: f64, degrees: f64, segments: u64 ) -> Self

Creates a curved chamfer shape.

size: The size of the angled part of the chamfer profile.

oversize: How much non-angled part there is on the chamfer.

radius: The radius of the arc that the chamfer takes.

degrees: The degrees of the arc that the chamfer is extruded through.

segments: The number of segments in a circle.

return: The mesh.

source

pub fn external_cylinder_chamfer( size: f64, oversize: f64, radius: f64, height: f64, segments: u64, center: bool ) -> Self

Creates two external circle chamfers for chamfering a cylinder.

size: The size of the angled part of the chamfer profile.

oversize: How much non-angled part there is on the chamfer.

radius: The radius of the cylinder to be chamfered.

height: The height of the cylinder to be chamfered.

segments: The number of segments in a circle.

return: The mesh.

source

pub fn save(&self, path: &str)

Examples found in repository ?

examples/bottle.rs (line 38)

fn make_cap() {
    let cylinder = Polyhedron::cylinder(23.0, 12.0, 128).into_scad();
    let mut tap = metric_thread::tap(40, 14.0, 128, false, false);
    tap = translate!([0.0, 0.0, 2.0], tap;);

    let cap = cylinder - tap;
    cap.save("output/bottle_cap.scad");
}

fn make_bottle() {
    let mut outside_profile = Pt2s::new();
    outside_profile.push(Pt2::new(0.0, 125.0));
    outside_profile.append(&mut dim2::cubic_bezier(
        Pt2::new(19.0, 125.0),
        Pt2::new(22.5, 110.0),
        Pt2::new(32.5, 105.0),
        Pt2::new(32.5, 100.0),
        6,
    ));
    outside_profile.append(&mut dim2::quadratic_bezier(
        Pt2::new(32.5, 5.0),
        Pt2::new(32.5, 0.0),
        Pt2::new(27.5, 0.0),
        6,
    ));
    outside_profile.push(Pt2::new(0.0, 0.0));

    let mut inside_profile = Pt2s::new();
    inside_profile.push(Pt2::new(0.0, 140.0));
    inside_profile.push(Pt2::new(16.0, 140.0));
    inside_profile.append(&mut dim2::cubic_bezier(
        Pt2::new(16.0, 125.0),
        Pt2::new(20.5, 110.0),
        Pt2::new(30.5, 105.0),
        Pt2::new(30.5, 100.0),
        6,
    ));
    inside_profile.append(&mut dim2::quadratic_bezier(
        Pt2::new(30.5, 7.0),
        Pt2::new(30.5, 2.0),
        Pt2::new(25.5, 2.0),
        6,
    ));
    inside_profile.push(Pt2::new(0.0, 2.0));

    let outside = rotate_extrude!(angle=360.0, convexity=10, fn=128, polygon!(outside_profile););
    let inside = rotate_extrude!(angle=360.0, convexity=10, fn=128, polygon!(inside_profile););

    let threaded_rod = translate!([0.0,0.0,120.0], metric_thread::threaded_rod(40, 15.0, 128, 0.0, 180.0, false, false););

    let bottle = outside + threaded_rod - inside;

    bottle.save("output/bottle.scad");
}

More examples

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examples/cup.rs (line 75)

fn main() {
    let segments: u64 = 36;
    let slices: u64 = 12;

    let mut cup_blank_profile = Pt2s::new();
    cup_blank_profile.push(Pt2::new(0.0, 0.0));
    cup_blank_profile.append(&mut dim2::cubic_bezier(
        Pt2::new(40.0, 0.0),
        Pt2::new(40.0, 33.0),
        Pt2::new(60.0, 66.0),
        Pt2::new(60.0, 100.0),
        slices,
    ));
    cup_blank_profile.push(Pt2::new(0.0, 100.0));

    let cup_blank = rotate_extrude!(angle=360.0, convexity=2, fn=segments,
        polygon!(cup_blank_profile);
    );

    let mut cup_inner_profile = Pt2s::new();
    cup_inner_profile.push(Pt2::new(0.0, 3.0));
    cup_inner_profile.append(&mut dim2::cubic_bezier(
        Pt2::new(37.0, 3.0),
        Pt2::new(37.0, 33.0),
        Pt2::new(57.0, 66.0),
        Pt2::new(57.0, 103.0),
        slices,
    ));
    cup_inner_profile.push(Pt2::new(0.0, 103.0));

    let cup_inner = rotate_extrude!(angle=360.0, convexity=1, fn=segments,
        polygon!(cup_inner_profile);
    );

    let handle_path = dim3::cubic_bezier(
        Pt3::new(37.0, 20.0, 0.0),
        Pt3::new(70.0, 30.0, 0.0),
        Pt3::new(120.0, 90.0, 0.0),
        Pt3::new(57.0, 90.0, 0.0),
        segments,
    );

    let handle_profile = dim2::rounded_rect(8.0, 20.0, 2.5, segments, true);
    let mut handle = Polyhedron::sweep(&handle_profile, &handle_path, 0.0, false);
    handle.rotate_x(90.0);

    let cup = cup_blank + handle.into_scad_with_convexity(2) - cup_inner;

    cup.save("output/cup.scad");
}

examples/scad_tree.rs (line 51)

fn main() {
    // The Scad struct and the ScadOp enum are the main types in the library.
    // This tree is the difference of a cube and a sphere but it's a little
    // unwieldy to write.
    Scad {
        op: ScadOp::Difference,
        children: vec![
            Scad {
                op: ScadOp::Cube {
                    size: Pt3::new(2.0, 2.0, 2.0),
                    center: false,
                },
                children: Vec::new(),
            },
            Scad {
                op: ScadOp::Sphere {
                    radius: 1.0,
                    fa: None,
                    fs: None,
                    fn_: Some(24),
                },
                children: Vec::new(),
            },
        ],
    }
    .save("output/scad_tree1.scad");

    // Thats where the macros come in. All the operations from the 2D, 3D, and transformations
    // sections of the OpenSCAD cheatsheet (https://openscad.org/cheatsheet) are covered by macros.
    // All of the macros except scad_file expand to a Scad struct literal like above. The scad_file
    // macro specifies the file to save and allows setting $fa, $fs, and $fn globally.

    // This snippet of macro code produces the tree above but is a bit easier to read and write.
    // If you squint hard enough it resembles OpenSCAD code!
    scad_file!(
        "output/scad_tree2.scad",
        difference!(
            cube!(2.0);
            sphere!(1.0, fn=24);
        );
    );

    // Maybe your not a fan of OpenSCAD structured code. Since each macro expands to part of a tree
    // it's easy to save to variables or return a Scad from a funtion. This code produces the same
    // output as the above.
    let cube = cube!(2.0);
    let sphere = sphere!(1.0, fn=24);
    let difference = difference!(cube; sphere;);
    difference.save("output/scad_tree3.scad");

    // Maybe you want it to look like math!
    let cube = cube!(2.0);
    let sphere = sphere!(1.0, fn=24);
    (cube - sphere).save("output/scad_tree4.scad");
}