Modular Toy Robot Arm
myminifactory
Following on from my first toy robot arm, this one is a bit more modular and can be used as a toy, desk lamp, microphone or camera stand via swappable add-on components. More components to come. (OpenSCAD Source) Print at 0.2mm layer height and ensure there is a 1-layer gap in the ring gears after slicing. Use a sharp edge to de-laminate the 1-layer gaps (listen for the "crack"). Turn the knob just a little to get the gears moving, working back and forth gently. A final tap with a rubber mallet should free everything up. Then apply petroleum jelly or lubricant of choice to gears.
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