This is a model of the chute and declumper for the DF64P espresso grinder.

You habe to “pre Bend” the declumper to have the optimum result like in one of the pictures. 

I recommend PETG with a layer height of 0.12 and 100% infill. 

I would place the exit end of the chute on the print bed, as this means that the stability between the flange and the chute is not only dependent on the layer adhesion, even if support is required. (see image) 

I chose gray for the test print so that there was better contrast in the images. It looks much more elegant in black.

I hope you have fun with your modified DF64P