cadquery_files/mill/endstop/mill_endstop_lever.py

import cadquery as cq
from cadquery.occ_impl.exporters import *
from ocp_vscode import show

hole_diam = 5
hole_dist = 24.5
bar_width = 8
bar_thickness = 2.75
height_padding = 2
lever_length = 32
lever_max_thickness = 8



bar_height = hole_dist + hole_diam + 2*height_padding
clip = (
    cq.Workplane("XY")  # Start in the XY plane
    .box(bar_width, bar_height,bar_thickness)
    .edges("|Z and >Y or |Z and >X")
    .fillet(2)
    .faces(">Z")
    .workplane()
    .rect(0,hole_dist,forConstruction=True)
    .vertices(">X")
    .circle(hole_diam/2)
    .cutThruAll()
)

upper_lever = cq.Sketch().trapezoid(bar_thickness, lever_length,100, angle=90).vertices("<X").fillet(1)
upper_thick_lever = upper_lever.moved(z=-bar_thickness/2)
bottom = cq.Sketch().trapezoid(bar_thickness, lever_length/4,100, angle=90).vertices("<X").fillet(1).moved(x = 3*lever_length/8, z=(height_padding+hole_diam))
# extr_trapezoid = cq.Workplane().placeSketch(upper_lever, lower_lever).loft()

lever = (
   clip.faces("<Y")
   .workplane(
        offset=-(height_padding+hole_diam),
        origin=(-(lever_length/2 + bar_width/2), 0, 0)
    )
   .placeSketch(upper_lever, bottom).loft()
)
lever_thick = (
   clip.faces("<Y")
   .workplane(
        offset=-(height_padding+hole_diam),
        origin=(-(lever_length/2 + bar_width/2), 0, 0)
    )
   .placeSketch(upper_lever, upper_thick_lever).loft()
)

result = clip.union(lever).union(lever_thick)
show(result)


# export the box as a STEP file
with open("/home/sgruen/Dokumente/cadquery/mill-endstop-lever.step", "w") as fp:
   cq.exporters.exportShape(result, ExportTypes.STEP, fp)