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This cute broken heart design shows a sad face when you leave the house and lift your keys or wallet chain or any other hangable item off of the hook below. When you put them back, the heart is happy and whole again! Find print settings below. To assemble, I find it easiest to put the sad face piece into the base back first. I chose to paint the face with acrylic paint before assembly. It might take a little effort but don't be afraid to push on it. Once in, it should move freely and drop down with gravity, but not pop out by itself. Then place the hook piece in the slot, put the heart pieces on with their pegs in the hook piece's slots, and finally lay the front base piece on top. Put a dab of super glue in the holes of the base back piece and maybe a little along the bottom edge. Be careful not to let glue drip inside the mechanism or else you might glue it in place! Use a small/medium sized rubber band (#12 works great) on the back to complete the automated motion, but not required for functionality. The band can hook into the slot on the hook piece, and around the sad face piece. Use the little tabs on the base to keep the rubber band from slowing the face piece. See pictures for reference. This is v1, I'll likely make some tweaks as more people try it and provide feedback. Looking forward to seeing your prints! 3D printing settings Print the pieces oriented like they are in the files. No supports necessary, .2 layers and 10% infill works great. A brim might be good for the base back but only if you want! I labeled the filenames with “primary” and “secondary” to indicate how I printed the colors in my example (red = primary, black = secondary). The face piece is optionally available split in two for easier mmu but not required. Just using the single piece is great! Tolerances can get a little tight in the mechanism so make sure you're dialed in with extrusion rates/flow percentages. If needed, adjust the XY/Horizontal scale down 0.01-0.03mm.
@scandihandverk