COLOR: BLACK. The supplied print is black; render colors are illustrative. Hold paperback pages open with a thumb spreader. A continuous rounded wing with a chamfered finger opening. DIMENSIONS 23 mm nominal finger hole; 76 mm overall spread. CONTENTS 1 printed part(s): page-wing. Required material: PLA. Accessories, glass tubes, books, consumables and other props are not included. USE AND ASSEMBLY Choose a loose fit; remove immediately if tight. Smooth all book-contact edges. The nominal thumb opening is 23 mm. Do not force a tight fit; remove if uncomfortable. Images are renders of the actual CAD. Geometry and reference slicing checked digitally. Physical stability, finish and service life have not been established by those checks. Printed to order; actual material, price, shipping and taxes must be confirmed in the product options and checkout. Design: João Lutz / JoaoLutzFilm, with AI assistance.