Print Notes
- I printed it in black PETG.
- 4 perimeters, 4 top and bottom layers.
- 20% infill.
class ShedDoorKnob : Model {
val stemD = 24
val axelD = 14
val stemL = 12
val holeZ = 8
fun profile() : Shape2d {
return PolygonBuilder().apply {
moveTo(0,0)
lineTo(15,0)
lineTo(25,5)
lineTo(25,20)
lineTo(0,10)
}.build()
}
override fun build() : Shape3d {
val stem = (Circle( stemD/2 ) - Circle( axelD/2 ))
.extrude( stemL ) -
Cylinder( 30, 2 ).rotateY(90).translateZ(holeZ)
val profile = Circle( 20 ).sides(6).roundAllCorners(3)
val knob = ExtrusionBuilder().apply {
crossSection( profile )
forward( 5 ) // Chamfer front
crossSection( 5 )
forward( 13 ) // Main
crossSection()
forward(2) // Chamfer back
crossSection(-2)
crossSection( -5 ) // Merge with the stem
forward(5)
crossSection( Circle( stemD/2 ) )
crossSection( Circle( axelD/2 ) )
forward(-20)
crossSection()
}.build()
return knob + stem.mirrorZ().bottomTo( knob.top )
}
}
