Returns a one-sentence summary, the price for one copy, at_order_minimum
(true when that price is the order minimum rather than a per-copy cost),
postage, dispatch time, batch discounts and order_url, the page where the
person reviews options and pays. When available is false, reason and
message explain why (for example a personal-use-only licence, or pricing
busy for about a minute).

Args:
    model_link: A Printables (printables.com/model/123), Thingiverse
        (thingiverse.com/thing:123) or harktech.co.uk/m/ model link.
    material: pla, pla matte, pla silk, petg, tpu, abs, asa, pc, nylon,
        petg-cf or pa-cf.
    quantity: Number of copies (1-999).