: A thread provides ~240 sketches in PDF format for community download.
Several digital archives and books provide extensive collections of knife blueprints (чертежи ножей) for download in PDF and JPG formats. For DIY makers, these resources range from small sets of specialized patterns to massive archives containing over 800 designs. Comprehensive Blueprint Archives
For more structured learning alongside drawings, these titles are highly regarded by the knifemaking community: Go to product viewer dialog for this item. 101 Knife Designs: Practical Knives for Daily Use