Clip pipe fully parametric

THis is a fully customize clip with few parameters using Openscad.
Parameters are :
// Description parameter
Pipe_Outer_dia = 20; // Correspodn to internal dimeter of the clip
Clip_Thickness = 5; //Thicknees of the clip
Clip_Lock_Angle = 50; // Angle from plane to diameter of the inner circle (0 to 90 ° for a closed clip)
Clip_Back_Length = 5; // Length of the straigth section on top of external diameter
Clip_Height = 15; // Height of the clip
Pad_Width = 15; // Width of the pad
Pad_Length = 10; // Depth of the pad
Pad_Height = 12; // Height of the pad
Number_Hole = 1; // number of fastening hole
Hole_Dia = 5; // Diameter of the hole
Hole_Countersunk_Dia = 10; // Max diameter of the countersunk - set 0 for no countersunk
Countersunk_Angle = 120; // Angle of the countersunk usually 90 or 120 °