Further Updates Internal Gear Pump ( sneak peak, and free files )

needed more pressure and flow, as well as quality and design improvements. also a sneak peak at the end of my larger project that's going a lot slower than I anticipated .

updated gear pump : https://www.thingiverse.com/thing:6178889
540_gearbox : https://www.thingiverse.com/thing:6178868
55mm impeller pump : https://www.thingiverse.com/thing:6178941
small updated impeller pump : apparently i lost the file ( will be posted when I track them down )