Secret sliding lid box – puzzle box with hidden drop bolt, 4 parts, no supports

A plain-looking box with a sliding lid that will not slide. Inside the end wall a drop bolt holds the lid; it only falls when a hidden slider is pushed in first - through a slot most people take for a gap. To lock it again you turn the box upside down and push the slider back with a paper clip. ## Dimensions (measured on the CAD solid) | | | |---|---| | Outside | 110.0 × 70.0 × 45.0 mm | | Inside | 95.0 × 60.0 × 36.0 mm | | Slider travel / bolt drop | 8.6 / 3.5 mm | | Weight in PLA (solid) | ap…

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