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Hold folded craft bags closed with a custom sliding clip
Size the clip around your bag width and finished folded thickness. Its one-piece U channel slides sideways over the folded top edge.
Keep small craft supplies in their existing bags
Beads, buttons and lightweight craft supplies often stay in their original bags. After opening one, fold its clean top edge several times and use this clip to hold the layers together. The part is a continuous U channel with a closed spine and two slightly flexible side walls. It has no hinge or loose additional components.
Slide the profile along the folded bundle from one side. In use, the closed spine sits above the fold and the open long edge faces the bag. The printed part contacts only the outside of the bag.
Measure the finished folded bundle
The relevant dimension is the thickness of all folded layers together, not one sheet of film. Fold the bag as you intend to use it and measure gently without crushing the bundle. Clear gap can be set from 0.8 to 4 mm, starting at 1.5 mm.
Clip length ranges from 50 to 180 mm and overall depth from 12 to 28 mm, with initial values of 100 and 18 mm. The closed spine occupies 2 mm of that depth. Match length to the folded edge and make sure you can approach it from the side.
Make a short fit sample first
Start with a short version and check that it slides while retaining the folded edge. Excess force can damage the film; an oversized gap will not hold consistently. Both walls are 2 mm thick and the open edge has entry chamfers.
Suggested starting settings are PETG, 0.2 mm layers and at least four perimeters. Print on the closed spine with the opening facing upward. Remove rough edges before fitting. Check filled bags in their intended storage position. No airtight or liquid-tight seal is established, so the clip does not replace a closure tested for those purposes.
The image is an AI application visualization, not a photograph of a physically tested print. Accessories shown are not included in the STL.
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