Problem is that the amount of available materials is still very limited for most kinds of 3D printing. The actual geometry of a plectrum is not a problem, but the material properties might be.
Software: Steinberg Cubase Artist 6.5.5 64-bit.
Hardware: HP elitebook 8530b with W7 Home 64-bit
Mackie Onyx 1620i - Steinberg Midex 8 - Steinberg CC121.
Analog: Alesis M1 - Behringer Powerplay Pro-XL - Studio Projects C3
Instruments: Yamaha DTX750k - Yamaha MO-6 - Waldorf Blofeld.
3rd party plugins: Native Instruments Prism - Rob Papen Distort - Rob Papen DelayMy humble contributions to what could be considered music.