A5 & A6 Bookbinding Jig Set - 3/5-Hole Guides + Spine Spacers | STL & 3MF

A coordinated A5/A6 bookbinding kit: 2 V cradles, four interchangeable 3/5-hole guides, four 3/5/7/10 mm spine spacers and one fit sample. 11 STL + 11 geometry-only 3MF files, English instructions and editable Blender source included. Digital files only. UNTESTED FIRST RELEASE: physical print and binding tests have not been performed. Digital mesh checks passed. All pictures are computer renders. AI-assisted design created in Blender. A5 cradle: 224 x 46 x 26 mm; A6: 162 x 46 x 26 mm. Check bed…

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