I used split line to project a sketch onto a cylinder and it worked fine to a point. I can select a face inside or outsid the sketch but I cannot use the sketch for an extrude boss. I projected the sketch for that purpose and when I am trying to extrude it will not allow me to select the face or...
I typically work in metric(mm) and use the JS9 fit with tolerance for dimenioning shafts such as 8mm to 7.97 JS9 +/- .02mm. I found the JS9 through trial and error without really understanding the numbering system employed. I want to know more about the whole shaft fit / hole fit system employed...