shapes_scad

// Triangular Prism Module
module triangular_prism(base=20, height=15, depth=30) {
    polyhedron(
        points=[
            [0, 0, 0],           // 0: base left
            [base, 0, 0],        // 1: base right
            [base/2, height, 0], // 2: top
            [0, 0, depth],       // 3: back base left
            [base, 0, depth],    // 4: back base right
            [base/2, height, depth] // 5: back top
        ],
        faces=[
            [0, 1, 2], // front triangle
            [3, 5, 4], // back triangle
            [0, 2, 5, 3], // left side
            [1, 4, 5, 2], // right side
            [0, 3, 4, 1]  // bottom rectangle
        ]
    );
}



// Equilateral Triangular Prism
module equilateral_prism(side=20, depth=30) {
    h = side * sqrt(3) / 2; // height of equilateral triangle

    polyhedron(
        points=[
            [0, 0, 0],          // 0: base left
            [side, 0, 0],       // 1: base right
            [side/2, h, 0],     // 2: top center
            [0, 0, depth],      // 3: back base left
            [side, 0, depth],   // 4: back base right
            [side/2, h, depth]  // 5: back top center
        ],
        faces=[
            [0, 1, 2],        // front triangle
            [3, 5, 4],        // back triangle
            [0, 2, 5, 3],     // left side
            [1, 4, 5, 2],     // right side
            [0, 3, 4, 1]      // bottom rectangle
        ]
    );
}

module box(){
cube([5,5,2]);
}

module cyl(){
cylinder([5,5,5]);
}


//triangular_prism();
equilateral_prism();