Well there's sites like https://www.3dhubs.com/ https://www.3dhubs.com/ where you can upload a design file and they will make it for you/farm it out to people w

Well there's sites like https://www.3dhubs.com/ https://www.3dhubs.com/ where you can upload a design file and they will make it for you/farm it out to people with the requisite machines to make it. It's the same zero capital investment but higher incremental cost per customer as with serverless deployments.