// Hex Nut
// Hex nut for the screws in the pipe flange assembly.

// Set units
@settings(defaultLengthUnit = in, kclVersion = 1.0)

// Import parameters
import hexNutDiameter, hexNutFlatToFlat, hexNutThickness, hexNutFlatLength from "parameters.kcl"

// Create a function to make the hex nut. Must be a function since multiple hex nuts are used
export fn hexNut() {
  // Create the base of the hex nut
  hexNutBase = startSketchOn(XY)
    |> startProfile(at = [
         hexNutFlatToFlat / 2,
         hexNutFlatLength / 2
       ])
    |> angledLine(angle = 270, length = hexNutFlatLength)
    |> angledLine(angle = 210, length = hexNutFlatLength)
    |> angledLine(angle = 150, length = hexNutFlatLength)
    |> angledLine(angle = 90, length = hexNutFlatLength)
    |> angledLine(angle = 30, length = hexNutFlatLength)
    |> close()
    |> extrude(length = hexNutThickness)

  // Create the hole in the center of the hex nut
  hexNut = startSketchOn(hexNutBase, face = END)
    |> circle(center = [0, 0], radius = hexNutDiameter / 2)
    |> extrude(%, length = -hexNutThickness)
    |> appearance(%, color = "#4edfd5")

  return hexNut
}