Fold repeatable paper mounting corners and hinge strips. Two forming recesses and a straight crease guide in one compact jig. MEASURE FIRST Paper up to 0.3 mm; corner blanks 25×25 mm; hinge strips 15 mm wide. IN THE BOX 1 printed part in matte black PLA: former. Additional items required: Archival paper and adhesive, not included. No additional fasteners required. Subjects, camera, lights and accessories are not included. Printed and shipped on demand by Slant 3D. Shipping and taxes are calculated at checkout. USE Use your own archival paper and adhesive appropriate for the photograph. Form corners away from the print, then mount using your chosen archival practice. Tool itself stays out of the archive. Dry indoor use. Keep away from heat; inspect and smooth any rough print edges before use. CAD geometry and local slicing checked. Physical fit, finish, stability and durability have not been tested. Images are renders of the actual CAD. Design: João Lutz / JoaoLutzFilm, developed with AI assistance. Original CAD; no third-party mesh used.