From Engadget
5 expensive hobbies where owning a 3D printer actually saves you money

While a personal 3D printer is certainly an investment, if you regularly engage with an expensive hobby, it might actually save you some cash.
TechBlastTechnology. Unpacked.UK & world technologyFrom Engadget

While a personal 3D printer is certainly an investment, if you regularly engage with an expensive hobby, it might actually save you some cash.