I am trying to create my own filaments with a filabot extruder however I cannot seem to get a uniformly round filament. I am passing the filament into a DIY water bath and diameter is about 2.85mm x 3.5mm respectively and the filaments are unusable. Originally, without a water bath the filament is more round but I get diameters around 2.45mm, I assumed the polymer was drawing causing it to thin out which is why I am trying to cool it faster. There is about a 2 inch gap between the extruder nozzle and the water bath. Anyone have any experience or ideas?