const sigmaAllow = 35000 // psi
const width = 9 // inch
const p = 150 // Force on shelf - lbs
const distance = 6 // inches
const FOS = 2

const leg1 = 5 // inches
const leg2 = 8 // inches
const thickness = sqrt(distance * p * FOS * 6 / sigmaAllow / width) // inches
const bracket = startSketchOn(XY)
  |> startProfileAt([0, 0], %)
  |> line(end = [0, leg1])
  |> line(end = [leg2, 0])
  |> line(end = [0, -thickness])
  |> line(end = [-leg2 + thickness, 0])
  |> line(end = [0, -leg1 + thickness])
  |> close()
  |> extrude(length = width)