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This is a collapsible hand fan where the blades interlock in a way that they can't over extend or pass through their collapsed state. The tolerances are tight, so it is as much a fun print as a tolerance test.

Just take care not to break the tabs, especially with brittle materials. They can break when extending the fan quickly or using it roughly. Also keep in mind that this fan is noisier than a normal hand fan would be.

The model is designed at 0,8mm thickness and 0,3mm margins, making good bed adhesion and tight tolerances on your printer critical! I have designed built-in ‘brim’ to prevent warping and give extra stability, since a slicer-generated brim would make the model impossible to clean up.

Just snip off the brim pieces and depending on your settings carefully break the wings free (there might be some stringing in between, especially on the top of the print)

I printed mine with a filament swap for a nice detail and for left handed use you can just mirror the STL. And I have added a brimless version if you are feeling extra lucky, but you have been warned.

Happy Printing and don't forget to do all the good stuff if you like my models :)

Collapsible Hand Fan (print in place)

0.2mm layer, 2 walls, 15% infill

0.2mm layer, 2 walls, 15% infill