A parametric blank knurled knob, at OnShape.com. The attached pdf describes it more fully. This is intended to be a starting template for a knurled knob to which one can add any additional features desired such as a hole for a shaft, holes for set screws, or other additions or deletions to the basic knob. It also serves as an example of how to create a knurled cylinder in OnShape.All of the key features of the knob and knurling are set by parameters, described in the pdf file.

Onshape offers free accounts to hobbyists and other non-commercial users, with the restriction that your work is public and accessible to others. If you have an account, you can copy this design using the link below and then modify it to your requirements.

OnShape link: https://bit.ly/2ET9ObT