There are numerous websites, including Milehidistilling.com, Instructables.com and Countryfarm-livestyles.com, that offer downloadable free copper still plans. These websites also feature practical advice about the distillation process and links to suppliers of who sell distillation equipment.
Milehidistilling.com is an online resource that offers plans and photos of stills, copper and otherwise. It also offers free e-books related to distillation. The site also features a downloadable PDF file for an alcohol fuel permit.
Instructables.com offers a free downloadable still plan. There are step-by-step instructions for those interested in distilling their own whisky.
Countryfarm-lifestyles.com is another site that offers free downloadable plans for a still. It contains information related to the history of distillation and a glossary of distillation terms.