Gear Knob
thingiverse
I ended up not finding a knob that suited my taste, so I decided to create one instead. It's been working out perfectly for me thus far.
Download Model from thingiverse
With this file you will be able to print Gear Knob with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Gear Knob.