- The Marlin is a duplicating woodcarver that has been very popular among sign carvers. Along with signs the Marlin is can be used for a number of different applications; relief work, guitar/violins, templates, etc. Terrco offers a vast array of letter and number templates along with thousands logo templates with the ability to have custom templates created. The Marlin is available in two sizes, one has a maximum material width of 14 inches and the other has a max width of 24 inches.