Definitely building one of these this summer. I just wish I'd scavanged my old microwave before we got rid of it.

Definitely building one of these this summer. I just wish I'd scavanged my old microwave before we got rid of it.

A fine-spot welder is one of the few equipment where building yourself is cheaper than buying. Description from avdweb.nl. I searched for this on bing.com/images

A fine-spot welder is one of the few equipment where building yourself is cheaper than buying. Description from avdweb.nl. I searched for this on bing.com/images

Homemade Machine Tools | How to Build a Spot Welder, Workshop Tool Plans, IMMEDIATE DOWNLOAD

Homemade Machine Tools | How to Build a Spot Welder, Workshop Tool Plans, IMMEDIATE DOWNLOAD

Transform an old microwave oven into a brand new spot welder!

DIY Spot Welder

Transform an old microwave oven into a brand new spot welder!

DIY spot-welder Uses microwave oven transformer.  230 VAC mains in, 3 turn out.

DIY spot-welder Uses microwave oven transformer. 230 VAC mains in, 3 turn out.

Long-time Maker Matthew Borgatti recently completed work on a homemade spot welder, built from a scrapped microwave and a few other parts.

Upcycle a Microwave into a Spot Welder

Long-time Maker Matthew Borgatti recently completed work on a homemade spot welder, built from a scrapped microwave and a few other parts.

Spot Welder - Homemade spot welder powered by a surplus microwave oven transformer. Constructed from Delrin, acrylic, PLA, copper, and hardware.

Spot Welder - Homemade spot welder powered by a surplus microwave oven transformer. Constructed from Delrin, acrylic, PLA, copper, and hardware.

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