posca_box.py

from cqgridfinity import *
import cadquery as cq
from ocp_vscode import show_object

FRONT_SURFACE_TAG = "front_surface"

# make a simple box
box = GridfinityBox(3, 4, 21, solid=True, solid_ratio=1.0, holes=True, unsupported_holes=True)

posca_box: cq.Workplane = box.cq_obj

posca_box.faces("<X[1]").workplane().tag(FRONT_SURFACE_TAG)

d = 20
l = 125

for y in range(0, 6):
  for x in range(-3, 4):
    posca_box = (
        posca_box.workplaneFromTagged(FRONT_SURFACE_TAG)
        .transformed(offset=cq.Vector(x * (d + 2), 27 + (y * (d + 2)), -5))
        .rect(d, d)
        .cutBlind(l)
    )


show_object(posca_box)

cq.exporters.export(posca_box, 'posca_box.stl')