Use with https://www.calligrapher.ai/ to automate handwriting of larger texts (paste into javascript console). Use text of any length. You will need to approve multiple downloads when running, but then it will download SVG handwriting of roughly evenly-sized chunks of text.

calligraphy.js

let text = `paste text of any size here`;

function splitIntoSegments(inputString) {
    inputString = inputString.replace(/\n/g, " ")
    const words = inputString.split(' ');
    const segments = [];
    let currentSegment = '';

    for (let word of words) {
        // strip each word of whitespace
        word = word.trim();
        if (word == '') {
            continue;
        }
        if ((currentSegment + ' ' + word).length <= 50) {
            currentSegment += (currentSegment ? ' ' : '') + word;
        } else {
            segments.push(currentSegment);
            currentSegment = word;
        }
    }

    if (currentSegment) {
        segments.push(currentSegment);
    }

    return segments;
}

// sleep function that returns a promise based on setTimeout
function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

function config() {
    // set speed-slider to 9.5
    const speedSlider = document.getElementById("speed-slider");
    speedSlider.value = 9.5;
    // bias slider to 2.5
    const biasSlider = document.getElementById("bias-slider");
    biasSlider.value = 2.5;
    // width slider to 1
    const widthSlider = document.getElementById("width-slider");
    widthSlider.value = 1;
    // select-style (select dropdown) value to "5"
    const selectStyle = document.getElementById("select-style");
    selectStyle.value = "19";
}

async function dump(text) {
    let segments = splitIntoSegments(text)
    const textInput = document.getElementById("text-input")

    config();

    for (let segment of segments) {
        textInput.value = segment;
        await sleep(100);
        const writeButton = document.getElementById("draw-button");
        // writeButton.click();
        // trigger event instead: "mousedown"
        writeButton.dispatchEvent(new Event('mousedown'));
        await sleep(2000);
        const downloadButton = document.getElementById("save-button");
        downloadButton.click();
    }
}

dump(text);