rockskate4x said:If it was a fretless bass, I could see that work without too much difficulty. A lever in the side of the body would push the heel of the neck in or out and the fretless board would slide around on top without messing with intonation.
stubhead said:I made a short-scale fretless out of Warmoth G5 parts. I had them make the neck without side dots, and relocate the pickup route 1.5" higher than normal. I put the bridge at 30.5" from the nut, and made my own side dots with an epoxy casting clay called Milliput: