Summary This is a replacement knob for volume on DENON and other stereos 2'' round with added Skull that can be added if liked. Rotate skull to flat back side down to bed and same with knob. Thanks to Dr Cal Coopmans for inspiration of this print! It was fun to design. Print Settings Printer: Monoprice Select 3D Rafts: No Supports: No Resolution: .1 Infill: 20% Notes: Easy print took about 2 hours. Post-Printing Easy finish up! Add about three coats of Emanel Fingernail paint clear to inside of knob where it recieves the stereo side of the knob and let dry to get a glassy fit.