Use the TriBall tool to move the subtractive cylinder (H Cylinder).
Moving this element will change the overall size of the block.
In the Scene Browser, select the subtractive cylinder (H Cylinder).
Size adjustment handles will appear.
Drag the handles to change the cylinder’s diameter, which will also update the hole size.
Other Modifications (Thickness / Fillet Settings)
With/without thickness (size) or fillet, right-click on Cam Block and [parameters...[Open it and do it.
Select the Cam Block, right-click, and choose [Parameters...].
When the [Parameter Table] dialog appears, check the box for [Show all parameters below selected shape”.
To toggle the fillet (rounded edge):
Set the “BlendVisibility” value of Parameter No.:
・Set it to [1] → Fillet unabled
・Set it to [0] → Fillet enabled