Dual filament guide is grate for MK4 printer placed in the original enclosure if you have two spools inside (left and right).
It solved the problem of guiding the filament. The original filament guide is too high and will not fit in the enclosure.
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Update 26/02/2024:
The author remixed this model.
Compare to original filament guide, this one is shorter and fits in the original enclosure.
The second model trigger the idea having a oval hole guiding the filament.
MK4 clip model has been used as a dimension reference