Original tools and accessories by João Lutz / JoaoLutzFilm for photography, reading, desk and home organization. Printed and shipped on demand by Slant 3D. Check each page for dimensions, included parts, material and use limits. Images are CAD renders; designs developed with AI assistance. Individual STL/STEP downloads: https://cults3d.com/en/users/joaolutzmb/3d-models . The separate XPan holder derives from Linus1997 under GNU GPL v3.0.