![Filament Pass-Through (Parametric) using Old Wiper Blades as a Seal](https://cdn.thingiverse.com/renders/48/aa/c7/8d/8a/FilamentPassThrough-03_preview_featured.jpg)
Filament Pass-Through (Parametric) using Old Wiper Blades as a Seal
thingiverse
The Windshield Wiper Seal, parametrically designed with 18 parameters for customization, is a useful tool that holds together pieces of used windshield wiper blade rubber to cover a gap in a channel while allowing passage. Ideal for ventilated cases where filament passes through, it can be configured by defining wiper blade properties like overlap, object properties such as size and number of mounting holes, and screw and bracket properties. Default values are suitable for Printrbot LC enclosure's filament guide and pass-through with a 5.25 inches (134mm) channel width and six M3 screws. The support material angle is set at 45 degrees with a 0.4mm solid layer inside the holes for better hole printing. This seal can be integrated into a parametric printer enclosure, available here: http://www.thingiverse.com/thing:39787. To use it, dismantle an old windshield wiper, measure blade properties, add them to User-defined values and run the STL through netfabb for cleaning up. After printing diagonally for maximum channel length, cut rubber to size and install as shown in the pictures, following instructions echoed out from the OpenSCAD file.
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