The BitInvader plugin is a customizable wavetable synthesizer.
Interpolation: Interpolates (smooths) the waveform
Normalize: Normalizes the output signal. (Removes DC offset)
The Length knob sets the sample lentgh of the waveform in a range from 8 to 128.
Smooth the waveform by clicking on the button labeled S
Draw your own waveform on the wavedisplay
On the right side of the waveform display are pre-configured waveforms: