Adjusted floor/lip height geometry to exact 7.00mm intervals. new release v.0.5.2

Author: michaelgale

CHANGELOG.md

@@ -15,3 +15,4 @@
 - v.0.4.5 - IMPORTANT FIX: fixes error in v.0.4.4 for extrusion angle
 - v.0.5.0 - Improved rugged box to make viable boxes down to 3U x 3U x 4U
 - v.0.5.1 - Increased the resolution of the gridfinity extruded base profile
+- v.0.5.2 - Adjusted geometry of box/bin floor/lip heights to exactly 7.00 mm intervals

README.md

@@ -602,6 +602,7 @@ b1.save_step_file()
 - v.0.4.5 - IMPORTANT FIX: fixes error in v.0.4.4 for extrusion angle
 - v.0.5.0 - Improved rugged box to make viable boxes down to 3U x 3U x 4U
 - v.0.5.1 - Increased the resolution of the gridfinity extruded base profile
+- v.0.5.2 - Adjusted geometry of box/bin floor/lip heights to exactly 7.00 mm intervals
 
 # References
 

cqgridfinity/__init__.py

@@ -4,7 +4,7 @@
 
 # fmt: off
 __project__ = 'cqgridfinity'
-__version__ = '0.5.1'
+__version__ = '0.5.2'
 # fmt: on
 
 VERSION = __project__ + "-" + __version__

cqgridfinity/constants.py

@@ -41,6 +41,8 @@
 
 GR_RAD = 4
 GR_BASE_HEIGHT = 5
+
+GR_BASE_PRO_H = 4.75
 GR_BASE_CHAMF_H = 0.98994949 / SQRT2
 GR_STR_H = 1.8
 GR_BASE_TOP_CHAMF = GR_BASE_HEIGHT - GR_BASE_CHAMF_H - GR_STR_H
@@ -61,14 +63,14 @@
 GR_HOLE_DIST = 26 / 2
 GR_HOLE_SLICE = 0.25
 
-GR_BOT_H = 7.2
+GR_BOT_H = 7
 GR_FILLET = 1.2
-GR_FLOOR = GR_BOT_H - GR_BASE_HEIGHT
+GR_FLOOR = GR_BOT_H - GR_BASE_PRO_H
 GR_LITE_FLOOR = GR_FLOOR - GR_WALL
-GR_LITE_H = GR_LITE_FLOOR - GR_BASE_HEIGHT
+GR_LITE_H = GR_LITE_FLOOR - GR_BASE_PRO_H
 
 GR_BOX_CHAMF_H = 1.1313708 / SQRT2
-GR_BOX_TOP_CHAMF = GR_BASE_HEIGHT - GR_BOX_CHAMF_H - GR_STR_H
+GR_BOX_TOP_CHAMF = GR_BASE_PRO_H - GR_BOX_CHAMF_H - GR_STR_H
 GR_TOL = 0.5
 
 GR_UNDER_H = 1.6

cqgridfinity/gf_box.py

@@ -140,11 +140,11 @@ def render(self):
             if not self.labels and (self.width_div or self.length_div):
                 bs = VerticalEdgeSelector(
                     GR_TOPSIDE_H, tolerance=0.05
-                ) & HasZCoordinateSelector(GRHU * self.height_u - GR_BASE_HEIGHT)
+                ) & HasZCoordinateSelector(GRHU * self.height_u - GR_BASE_PRO_H)
                 r = self.safe_fillet(r, bs, 1.0)
         if self.holes:
             r = self.render_holes(r)
-        r = r.translate((-self.half_l, -self.half_w, GR_BASE_HEIGHT))
+        r = r.translate((-self.half_l, -self.half_w, GR_BASE_PRO_H))
         if self.unsupported_holes:
             r = self.render_hole_fillers(r)
         return r
@@ -232,10 +232,10 @@ def mask_with_obj(self, obj):
         return obj.intersect(self.solid_shell())
 
     def base_interior(self):
-        profile = [GR_BASE_HEIGHT, *GR_BOX_PROFILE]
-        zo = GR_BASE_HEIGHT
+        profile = [GR_BASE_PRO_H, *GR_BOX_PROFILE]
+        zo = GR_BASE_PRO_H
         if self.int_height < 0:
-            h = self.box_height - GR_BASE_HEIGHT
+            h = self.box_height - GR_BASE_PRO_H
             profile = [h, *profile]
             zo += h
         r = self.extrude_profile(
@@ -263,7 +263,7 @@ def render_shell(self, as_solid=False):
         rc = (
             cq.Workplane("XY")
             .placeSketch(rs)
-            .extrude(-GR_BASE_HEIGHT - 1)
+            .extrude(-GR_BASE_PRO_H - 1)
             .translate((*self.half_dim, 0.5))
         )
         rc = rc.intersect(r).union(rw)

cqgridfinity/gf_obj.py

@@ -81,13 +81,13 @@ def height(self):
 
     @property
     def box_height(self):
-        return self.height - GR_BASE_HEIGHT
+        return self.height - GR_BASE_PRO_H
 
     @property
     def int_height(self):
         h = self.height - GR_LIP_H - GR_BOT_H
         if self.lite_style:
-            return h + GR_LITE_FLOOR
+            return h + self.wall_th
         return h
 
     @property

tests/test_box.py

@@ -53,7 +53,7 @@ def test_empty_box():
     assert _edges_match(r, ">Z", 16)
     assert _edges_match(r, "<Z", 72)
     assert b1.filename() == "gf_box_2x3x5_holes"
-    assert _almost_same(b1.top_ref_height, 7.2)
+    assert _almost_same(b1.top_ref_height, 7)
 
 
 def test_solid_box():
@@ -71,7 +71,7 @@ def test_solid_box():
     assert b1.filename() == "gf_box_4x2x3_solid"
     assert _almost_same(b1.top_ref_height, 21)
     b1.solid_ratio = 0.5
-    assert _almost_same(b1.top_ref_height, 14.1)
+    assert _almost_same(b1.top_ref_height, 14)
 
 
 def test_divided_box():