Ho-Ho-Sneaky Puzzle Gift Box - secret button lock box with bow key
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Gift box with a hidden lock: turn the bow, press the 3 right buttons, lift. One button is a trap.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Puzzles & Brain-teasers
- Licencja
- Creative Commons — Attribution — Noncommercial
A gift box that looks like a normal present - until someone tries to open it. The lid is locked by hidden spring hooks, the bow on top is the key, and only 3 of the buttons on the lid release it. One button is a trap: press it and the lid jams even tighter.
How it works
• Bow turned to 0 deg: the key arm under the lid blocks the spring tongues - the box is locked, no button helps.
• Turn the bow 90 deg (it clicks), then press the 3 correct buttons together and lift the lid.
• The 4th real button is a trap: its pin slips under a hidden ledge in the box wall and holds the lid down. The other 4 button outlines are decoys.
• Closing: bow at 90 deg, push the lid on until it clicks, turn the bow back to 0 deg.
• The lid only fits one way (the trap button goes to the back right).
Size
• Box: 57.2 x 57.2 x 71.1 mm, free space inside: 53.6 mm cube.
• Lid: 62.2 x 62.2 mm (63.8 mm with the button pads), slides over the box.
Parts
• Box (white with a 12 mm black base band - one colour change)
• Lid (printed upside down), key, axle, bow - all on one plate, black
Print settings (Anycubic Kobra S1, PLA, textured PEI). The box in the photos was printed at 0.16 mm; the lid profile was refined to 0.12 mm afterwards for a cleaner finish.
• Box: 0.16 mm, 4 walls (Arachne, precise outer wall), 25% gyroid, no supports, no brim.
• Lid plate: 0.12 mm for cleaner hooks and slot bridges, 4 walls, 25% gyroid, no supports except painted tree support under the bow loops (5 mm brim on the bow).
• PLA 210 C, part cooling 100%, overhang slowdown on, avoid crossing walls on.
• Both 3MF files are ready-to-slice Anycubic Slicer Next / Kobra S1 projects.
After printing
• The spring tabs are held by thin break-away bridges for printing: cut the 7 bridges (4 at the ends of the button tab slots, 3 at the ends of the inner tongues) with a hobby knife.
• Remove the support from the bow.
• Assembly: the axle goes into the key from below (head at the bottom), key + axle go into the lid from below, then press the bow on from the top until it snaps.
My own original design, made with AI assistance (design and geometry checks done together with Claude).