cadrum 0.8.15

Rust CAD library powered by statically linked, headless OpenCASCADE (OCCT 8.0.0) — runs natively and in the browser via WebAssembly
Documentation 
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//! Transform operations: translate, rotate, scale, and mirror applied to a cone.

use cadrum::{DVec3, Solid};
use std::f64::consts::PI;

fn main() -> Result<(), cadrum::Error> {
	let example_name = std::path::Path::new(file!()).file_stem().unwrap().to_str().unwrap();

	let base = Solid::cone(8.0, 0.0, DVec3::Z * 20.0).color("#888888");

	let solids = [
		// original — reference, no transform
		base.clone(),
		// translate — shift +20 along Z
		base.clone().color("#4a90d9").translate(DVec3::X * 40.0 + DVec3::Z * 20.0),
		// rotate — 90° around X axis so the cone tips toward Y
		base.clone().color("#e67e22").rotate_x(PI / 2.0).translate(DVec3::X * 80.0),
		// scaled — 1.5x from its local origin
		base.clone().color("#2ecc71").scale(DVec3::ZERO, 1.5).translate(DVec3::X * 120.0),
		// mirror — flip across Z=0 plane so the tip points down
		base.clone().color("#e74c3c").mirror(DVec3::ZERO, DVec3::Z).translate(DVec3::X * 160.0),
	];

	Solid::write_step(&solids, &mut std::fs::File::create(format!("{example_name}.step")).unwrap())?;

	let mesh = Solid::mesh(&solids, Default::default())?;
	let scene = mesh.scene(Default::default());
	scene.write_svg(&mut std::fs::File::create(format!("{example_name}.svg")).unwrap())?;
	scene.write_png([640, 640], &mut std::fs::File::create(format!("{example_name}.png")).unwrap())?;
	mesh.write_stl(&mut std::fs::File::create(format!("{example_name}.stl")).unwrap())?;
	mesh.write_gltf_binary(&mut std::fs::File::create(format!("{example_name}.glb")).unwrap())?;

	println!("wrote {example_name}.step / {example_name}.svg / {example_name}.png");
	Ok(())
}