Geared bowden extruder for mk8 and flexible filament

There are an equal amount of extruders on thingiverse as there is 3d printers in the world. And none fitted my requirements, so i made one more...

I wanted a geared extruder for MK8 and I wanted the bowden tube clamped on without bsp fittings and some chance to be able to print flexible filaments. And I also wanted to beable to test and use a woodworking clamp instead of springs. And I wanted openscad drawings for it. So I made it from scratch with some inspiration from others that have som