Tooling Cylinder

grabcad

Density = 0.01 grams per cubic millimeterMass = 2636.25 gramsVolume = 333703.01 cubic millimetersSurface area = 62105.16 square millimetersTo build this Tooling cylinder you need to; start on the front plan, then sketch it out, extrude it, extrude cut on the surface plane of the model then again on the side to get the circles that cut through the whole thing, then extrude cut at the other side to where you go in 10mm then flit it in 1mm.