Hi, my name is Lukas or UnLuky and I am the author of UnMakro. The 8 key macropad with rotary encoder and 3D printed case. I designed this macropad as a summer project and now I wanna know if anyone would be interested in buying one.
Photos
Specs
8 Keys
Rotary encoder with press function
3D printed case
Vial compatible (best for configuring rotary encoder)
Uses arduino pro micro ( micro USB)
7° typing angle so it doesn't just lay there falt next to your angled keyboard 
Aluminium plate
I am aiming the price to be no more than 40 EUR