penna a sfera Modello 3D

Pen is to use dry thick ink, rely on the free rotation of steel ball on the written out a pen writing tools transfer onto the paper writing is simple in structure, convenient in carrying and smooth, and suitable for used to autotype etc, therefore, students from the school to the office of civilian and other people from all walks of life are ready to use ************************************** Files format contains -solidworks 2017 -step -iges -stl -obj -3ds -Fbx -3dmax - and other formats ************************************** If you like,you can paypal for you to get this models or if you have any questions also you can email to me. Designed with SolidWorks 2017, render with PhotoView 360 **************************************