cadquery_files/mill/bltouch_holder.py

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

attach_hole_diam = 5.1
attach_hole_dist = 50

thick = 3
flap_width = 15
flap_len = attach_hole_dist + 2 * attach_hole_diam


holder_width = 26.2
holder_depth = 10.5 + thick

bl_hole_diam = 3.85
bl_hole_dist = 21.4 - bl_hole_diam

flap = (
    cq.Workplane("XY")
    .workplane()
    .rect(flap_len, flap_width)
    .extrude(thick)
)

flap = (
    flap.faces(">Z")
    .workplane()
    .center(attach_hole_dist/2, 0)
    .circle(attach_hole_diam/2)
    .center(-attach_hole_dist, 0)
    .circle(attach_hole_diam/2)
    .cutThruAll()
    # .edges("|Z")
    # .fillet(2)
)
angle = (
    flap.faces(">X")
    .workplane(centerOption="CenterOfBoundBox")
    .center(0, -thick/2)
    .rect(holder_width, holder_depth, centered=(True,False))
    .extrude(thick)
    .faces(">X")
    .workplane(centerOption="CenterOfBoundBox")
    .center(-bl_hole_dist/2, 0)
    .circle(bl_hole_diam/2)
    .center(bl_hole_dist,0)
    .circle(bl_hole_diam/2)
    .cutThruAll()
    .edges("|X")
    .fillet(1)
    .faces("<X")
    .fillet(1)
)


show(angle)

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