Made a living hinge cover for a small notebook with some tweaking after using https://www.festi.info/boxes.py/
Designed a simple closure based on the catalog desktop tool carousel (of which I’ve made several). The engravings are downloaded and the corners are modified from OpenClipart, by GDJ. I bought a set of these small notebooks on Amazon and took the covers off: http://a.co/d/0GaU0ro.
I did my covers on medium maple ply and glued just the back of the notebook in. The closure just pops in by squeezing it in and you can glue the bottom or leave it loose. Dampening the hinge eases closing the cover for the first time and I let it sit and dry like that for a while. I used the free font HermosaOpti to personalize the front.
The file: booklet.svg.zip (158.6 KB) created in Inkscape. Enjoy!
For personal use only as per forum rules!
It’s on the medium proofgrade maple ply, which is 0.125" thick (more or less) which converts to 3.175 mm. Should work on 3mm ply. Suggestion: place the closure lengthwise with the wood grain for greater strength. I had someone with big fingers break one by accident.
PG plywood doesn’t have the strength of traditional plywood. BB has 3 crossing plies - the grain alternates and makes it more resistant to breaking. PG ply is veneer over an MDF core - the core has no real strength as there’s no real linear grain.
For what it is worth… I’ve made about 15 with proofgrade basswood - always cut against the grain and they have not split, although I might not hear about ever single one I give away… I also damp the inside of the spine, gently stretch it around until it closes with the closure and let it dry like that for a day and a half for sure before I open it again.