A structural metal beam with an I shaped cross section. Often used in construction and architecture

// I-beam
// A structural metal beam with an I shaped cross section. Often used in construction and architecture
// Categories: Architecture & Construction

// Set units
@settings(defaultLengthUnit = in, kclVersion = 2.0)

// Define parameters
beamLength = 6ft
beamHeight = 4
flangeWidth = 2.663
flangeThickness = 0.293
webThickness = 0.193
rootRadius = .457

beamSection = sketch(on = XZ) {
  line1 = line(start = [var -1.33in, var 2in], end = [var 1.33in, var 2in], construction = true)
  line2 = line(start = [var 1.33in, var 2in], end = [var 1.33in, var 1.71in], construction = true)
  coincident([line1.end, line2.start])
  line3 = line(start = [var 1.33in, var 1.71in], end = [var -0.1in, var 1.71in], construction = true)
  coincident([line2.end, line3.start])
  line4 = line(start = [var -0.1in, var 1.71in], end = [var -0.1in, var -1.71in], construction = true)
  coincident([line3.end, line4.start])
  line5 = line(start = [var -0.1in, var -1.71in], end = [var 1.33in, var -1.71in], construction = true)
  coincident([line4.end, line5.start])
  line6 = line(start = [var 1.33in, var -1.71in], end = [var 1.33in, var -2in], construction = true)
  coincident([line5.end, line6.start])
  line7 = line(start = [var 1.33in, var -2in], end = [var -1.33in, var -2in], construction = true)
  coincident([line6.end, line7.start])
  line8 = line(start = [var -1.33in, var -2in], end = [var -1.33in, var -1.71in], construction = true)
  coincident([line7.end, line8.start])
  line9 = line(start = [var -1.33in, var -1.71in], end = [var 0.1in, var -1.71in], construction = true)
  coincident([line8.end, line9.start])
  line10 = line(start = [var 0.1in, var -1.71in], end = [var 0.1in, var 1.71in], construction = true)
  coincident([line9.end, line10.start])
  line11 = line(start = [var 0.1in, var 1.71in], end = [var -1.33in, var 1.71in], construction = true)
  coincident([line10.end, line11.start])
  line12 = line(start = [var -1.33in, var 1.71in], end = [var -1.33in, var 2in], construction = true)
  coincident([line11.end, line12.start])
  coincident([line12.end, line1.start])
  line13 = line(start = [var 0in, var -2.71in], end = [var 0in, var 2.86in], construction = true)
  vertical([line13.start, ORIGIN])
  vertical([line13.end, ORIGIN])
  line14 = line(start = [var -2.69in, var 0in], end = [var 3.15in, var 0in], construction = true)
  horizontal([line14.start, ORIGIN])
  horizontal([line14.end, ORIGIN])
  horizontal(line1)
  horizontal(line3)
  vertical(line2)
  vertical(line4)
  distance([line1.start, line1.end]) == flangeWidth
  distance([line2.start, line2.end]) == flangeThickness
  verticalDistance([line8.start, line12.end]) == beamHeight
  symmetric([line2, line12], axis = line13)
  symmetric([line3, line11], axis = line13)
  symmetric([line1, line7], axis = line14)
  symmetric([line5, line3], axis = line14)
  symmetric([line6, line8], axis = line13)
  symmetric([line5, line9], axis = line13)
  symmetric([line5, line3], axis = line14)
  coincident([line6, line2])
  symmetric([line10, line4], axis = line13)
  distance([line4, line10]) == webThickness
  line15 = line(start = [var -1.33in, var 2in], end = [var 1.33in, var 2in])
  line16 = line(start = [var 1.33in, var 2in], end = [var 1.33in, var 1.71in])
  coincident([line15.end, line16.start])
  line17 = line(start = [var 1.33in, var 1.71in], end = [var 0.55in, var 1.71in])
  coincident([line16.end, line17.start])
  line18 = line(start = [var 0.1in, var 1.25in], end = [var 0.1in, var -1.25in])
  line19 = line(start = [var 0.55in, var -1.71in], end = [var 1.33in, var -1.71in])
  line20 = line(start = [var 1.33in, var -1.71in], end = [var 1.33in, var -2in])
  coincident([line19.end, line20.start])
  line21 = line(start = [var 1.33in, var -2in], end = [var -1.33in, var -2in])
  coincident([line20.end, line21.start])
  line22 = line(start = [var -1.33in, var -2in], end = [var -1.33in, var -1.71in])
  coincident([line21.end, line22.start])
  line23 = line(start = [var -1.33in, var -1.71in], end = [var -0.55in, var -1.71in])
  coincident([line22.end, line23.start])
  line24 = line(start = [var -1.33in, var 2in], end = [var -1.33in, var 1.71in])
  coincident([line24.start, line15.start])
  line25 = line(start = [var -1.33in, var 1.71in], end = [var -0.55in, var 1.71in])
  coincident([line24.end, line25.start])
  line26 = line(start = [var -0.1in, var 1.25in], end = [var -0.1in, var -1.25in])
  arc1 = arc(start = [var 0.55in, var 1.71in], end = [var 0.1in, var 1.25in], center = [var 0.55in, var 1.25in])
  coincident([arc1.end, line18.start])
  coincident([line17.end, arc1.start])
  tangent([line17, arc1])
  arc2 = arc(start = [var 0.1in, var -1.25in], end = [var 0.55in, var -1.71in], center = [var 0.55in, var -1.25in])
  coincident([arc2.end, line19.start])
  coincident([line18.end, arc2.start])
  tangent([line18, arc2])
  arc3 = arc(start = [var -0.1in, var 1.25in], end = [var -0.55in, var 1.71in], center = [var -0.55in, var 1.25in])
  tangent([line25, arc3])
  arc4 = arc(start = [var -0.55in, var -1.71in], end = [var -0.1in, var -1.25in], center = [var -0.55in, var -1.25in])
  coincident([arc4.start, line23.end])
  coincident([line26.end, arc4.end])
  tangent([line26, arc4])
  tangent([line18, arc1])
  tangent([line19, arc2])
  tangent([line26, arc3])
  tangent([line23, arc4])
  radius(arc1) == rootRadius
  equalRadius([arc1, arc3, arc4, arc2])
  coincident([line24.start, line12.end])
  coincident([line25.start, line12.start])
  coincident([line16.start, line2.start])
  coincident([line17.start, line3.start])
  coincident([line26.start, line4])
  coincident([arc3.start, line26.start])
  coincident([line25.end, line11])
  coincident([arc3.end, line25.end])
  coincident([arc4.end, line4])
  coincident([arc4.start, line9])
  coincident([arc2.start, line10])
  coincident([arc2.end, line5])
  coincident([arc1.end, line10])
  coincident([arc1.start, line3])
  coincident([line23.start, line9.start])
  coincident([line8.start, line22.start])
  coincident([line20.start, line6.start])
  coincident([line21.start, line7.start])
  equalLength([line18, line26])
  verticalDistance([arc1.end, arc1.center]) == 0in
}

beamRegion = region(sketch = beamSection, point = [0, 0])
hide(beamSection)
iBeam = extrude(beamRegion, length = beamLength, symmetric = true)


I-beam

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