This is a dummy model of Arcol.hu Hot-end v3.0 to get a feeling of the actual size. A real hot-end cant be printed using plastic:)
You can print out this plastic Hot-end model to get a feeling of the size, or better adapt to your own machine.
The mounting and the size should be correct. Here are two photos, one of the openscad model and the other of the real world thing:
And also from bottom, openscad:
I also published it on thingiverse, as thing:4632.