FanAdaptor.foocad

import static uk.co.nickthecoder.foocad.layout.v1.Layout2d.*
import static uk.co.nickthecoder.foocad.layout.v1.Layout3d.*

class FanAdaptor : Model {

    var hoseD = 100.0
    var fanD = 85
    var screwDist = 82
    var thickness = 1.2
    
    override fun build() : Shape3d {
        
        val cylinder = ExtrusionBuilder().apply {
            crossSection( Circle( hoseD/2 ) )
            forward( 4 )
            crossSection()
            forward(4)
            crossSection(-1)
            forward(4)
            crossSection()
            forward(4)
            crossSection(1)
            forward(4)
            crossSection()

            crossSection(-thickness)
            forward(-4)
            crossSection()
            forward(-4)
            crossSection(-1)
            forward(-4)
            crossSection()
            forward(-4)
            crossSection(1)
            forward(-4)
            crossSection()
        }.buildClosed()

        val holes = Circle( 2.5 ).translateX(screwDist).also().translateY(screwDist).also().center()
        val plate = (
            Circle( hoseD/2 ) + 
            Square( screwDist+10 ).roundAllCorners(3).center() -
            Circle( fanD/2 ) -
            holes
        ).extrude(thickness)

        return cylinder+plate
    }
}