arcade/plugs/main.go

36 lines
1.1 KiB
Go

package main
import (
"github.com/deadsy/sdfx/obj"
"github.com/deadsy/sdfx/render"
"github.com/deadsy/sdfx/sdf"
v3 "github.com/deadsy/sdfx/vec/v3"
)
func main() {
plug24mm := plug(26, 23, 25)
render.ToSTL(plug24mm, "24mm_plug.stl", render.NewMarchingCubesUniform(300))
render.ToSTL(nut(32, 6, plug24mm), "24mm_nut.stl", render.NewMarchingCubesUniform(300))
}
func plug(capDimeter, plugDiameter, length float64) sdf.SDF3 {
thread, _ := sdf.ISOThread(plugDiameter/2, 2, true)
plug, _ := sdf.Screw3D(thread, length, 0, 2, 1)
cRad1, _ := sdf.Circle2D((capDimeter - 4) / 2)
cRad2, _ := sdf.Circle2D(capDimeter / 2)
cap, _ := sdf.Loft3D(cRad1, cRad2, 3.75, 1)
cap = sdf.Transform3D(cap, sdf.RotateX(sdf.DtoR(180)))
cap = sdf.Transform3D(cap, sdf.Translate3d(v3.Vec{X: 0, Y: 0, Z: -length/2 - (3.75)/2}))
return sdf.Union3D(cap, plug)
}
func nut(headDiameter, height float64, plug sdf.SDF3) sdf.SDF3 {
nut, _ := obj.HexHead3D(headDiameter/2, height, "tb")
nut = sdf.Difference3D(nut, plug)
nut = sdf.Transform3D(nut, sdf.Scale3d(v3.Vec{X: 1.05, Y: 1.05, Z: 1}))
return nut
}