https://github.com/DingFabrik/SpotWelder
https://github.com/MeowSoft/SpotWelder
https://github.com/mtu-most/laser_welder
https://github.com/mtu-most/most-scad-libraries
https://github.com/mtu-most
https://github.com/avandalen/Spotwelder-SMD
https://github.com/arseniy-sorokin/spot-welder
https://github.com/SFenton-BandFuse/Welder-2
https://github.com/kinasmith/CD_Welder
https://github.com/kinasmith/CompostSensor
https://github.com/mademakerspace/Octavios_Spotwelder
https://github.com/452/WelderPOWERMIG255
https://github.com/Bougakov/ArduinoSpotWelder
https://github.com/siwastaja/cncweld
http://nuljon.com/wp/projects-for-living/spot-welder/spot-welder-v3-0-build/
https://github.com/nuljon/DIY-code
https://github.com/nuljon?tab=repositories
https://www.dropbox.com/s/4k4nrjpkoesbhgz/SpotWelder v3.0.pdf?dl=0
https://github.com/regelatwork/sewing-machine-table
https://github.com/onitake/elna-discs
https://github.com/johnnydam204/201707-SewingMachineXY
https://github.com/regelatwork/sewing-machine-table
https://github.com/Scooletz/SewingMachine
https://github.com/johnnydam204/SewingXY-ExtModule
