Here is a square wave with an oval shape waveform in addition to the Square With Diamond Waveform.
The waveform is an inspiration based on John Bidini's video presentation and his circuit diagram.
For further details please refer to the topic Square With Diamond Waveform. http://www.spooky2.com/forums/viewtopic.php?f=71&t=6748#p59687
Square With Oval Waveform
Copy the DW_Square With Oval.csv file to the sub-directory of Spooky2 Program Directory,
Please provide feedbacks after experimenting with the waveform.
Use at your own risks.
DW_Square With Oval.csv
For more details, please check the link: