Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:5488481.

##Spot Welding Machine DIY:

<ul> <li>AC Transformer ZEBRA TAR-220ATT RTRN-A684WRZZ;</li> <li>2AWG (35 mm2) cable 2.5m long;</li> <li>140mm PWM cooling fan;</li> <li><a href="https://aliexpress.ru/item/4001224492655.html" title="NY-D04 spot welding controller + AC 9V Transformer">NY-D04 spot welding controller + AC 9V Transformer</a>;</li> <li><a href="https://aliexpress.ru/wholesale?catId=&SearchText=sunkko%2073b" title="SUNKKO 73B welding pen">SUNKKO 73B welding pen</a>;</li> <li><a href="https://aliexpress.ru/item/4000837048338.html" title="AC-DC 12V 1A PSU">AC-DC 12V 1A PSU</a>;</li> <li><a href="https://aliexpress.ru/item/4001264229873.html" title="DC 12V -50~+110°C Digital Thermometer">DC 12V -50~+110°C Digital Thermometer</a>;</li> <li><a href="https://aliexpress.ru/item/32973504131.html" title="DC 12V PWM speed fan controller">DC 12V PWM speed fan controller</a>;</li> <li><a href="https://aliexpress.ru/item/33001733772.html" title="AC70-500V Voltmeter">AC70-500V Voltmeter</a>;</li> <li><a href="https://aliexpress.ru/item/32857063415.html" title="Rocker Switch Fused IEC320">Rocker Switch Fused IEC320</a>;</li> <li><a href="https://aliexpress.ru/item/32999847738.html" title="5.5x2.5mm Panel Mount Connector">5.5x2.5mm Panel Mount Connector</a>;</li> <li><a href="https://aliexpress.ru/item/4000803493322.html" title="160mm Door Handles">160mm Door Handles</a>;</li> <li><a href="https://aliexpress.ru/item/4000835196671.html" title="18x15x5mm DIY rubber feet">18x15x5mm DIY rubber feet</a>;</li> <li><a href="https://aliexpress.ru/item/1005002631444577.html" title="M3x5x5mm knurled injection brass nut">M3x5x5mm knurled injection brass nut</a>;</li> <li><a href="https://aliexpress.ru/item/32808275271.html" title="M3x8x1mm red insulating spacer">M3x8x1mm red insulating spacer</a>;</li> <li><a href="https://aliexpress.ru/item/1005002657585446.html" title="M3x7x10mm nylon spacer">M3x7x10mm nylon spacer</a>;</li> <li><a href="https://aliexpress.ru/item/1005004497957932.html" title="Socket inner hex screws and nuts">Socket inner hex screws and nuts</a>;</li> </ul> ###added 09/20/2022: <ul> <li><a href="https://aliexpress.ru/item/1005001600931086.html" title="Silicone tube 2m long with an ID 8mm and OD 10mm">Silicone tube 2m long with an ID 8mm and OD 10mm</a> (If a rigid wired was used to wind the transformer, then for greater convenience during welding, I recommend replacing part of the insulation with a silicone tube).</li> </ul>