Medieval cannon XV-XVI century 3d model. Model of medieval cannon(hufnica), used in medieval Eastern Europe(Czech and Poland), based on drawings, published in polisn model journal 'Modelarz'. 3d model fully assembled with small parts(rivets, pins, chain links etc.). Designed in Solid Works 2017SP5.0, rendered in Keyshot 6.0. The model is ready for prototyping with 3D printing.