chore: Initial commit

tag_3d/__main__.py

@@ -0,0 +1,13 @@
+# noqa: D100
+
+from solid2 import scad_render_to_file
+
+from tag_3d.proto import gen_tag
+
+
+def _main() -> None:
+    tag = gen_tag()
+    scad_render_to_file(tag, "out.scad")
+
+if __name__ == "__main__":
+    _main()

tag_3d/proto.py

@@ -0,0 +1,65 @@
+"""Prototype model for scooby tag."""
+
+import solid2 as sp
+
+TAG_DEPTH = 25.00
+
+BONE_CORE_WIDTH = 55.00
+BONE_CORE_HEIGHT = 45.00
+BONE_JOINT_R = 18.00
+BONE_JOINT_DIST_RATIO = .6
+
+DISP_OUT_HEIGHT = 31.80
+DISP_OUT_WIDTH = 37.32
+DISP_VIS_HEIGHT = 28.40
+DISP_VIS_WIDTH = 28.40
+DISP_VIS_THICK = 1.00
+DISP_THICK = 1.00
+
+SEP_THICK = 3.00
+
+MICRO_DEPTH = 16.00
+MICRO_WIDTH = 47.00
+MICRO_HEIGHT = 23.00
+
+XX = .2
+
+def gen_bone() -> sp.OpenSCADObjectPlus:
+    core = sp.up(TAG_DEPTH/2)(sp.cube([BONE_CORE_WIDTH, BONE_CORE_HEIGHT, TAG_DEPTH], center=True))
+
+    joint = sp.cylinder(TAG_DEPTH, r=BONE_JOINT_R, center=False)
+    joint2 = sp.union()(
+        sp.forward(+BONE_JOINT_R*BONE_JOINT_DIST_RATIO)(joint),
+        sp.forward(-BONE_JOINT_R*BONE_JOINT_DIST_RATIO)(joint),
+    )
+    joint_l = sp.left(BONE_CORE_WIDTH/2)(joint2)
+    joint_r = sp.right(BONE_CORE_WIDTH/2)(joint2)
+
+    bone = sp.union()(
+        core,
+        joint_l,
+        joint_r,
+    )
+    return bone
+
+def gen_display_mask() -> sp.OpenSCADObjectPlus:
+    visible = sp.up(DISP_VIS_THICK/2)(sp.cube([DISP_VIS_WIDTH, DISP_VIS_HEIGHT, DISP_VIS_THICK+XX], center=True))
+    visible = sp.up(DISP_THICK)(visible)
+    fit = sp.up(DISP_THICK/2)(sp.cube([DISP_OUT_WIDTH, DISP_OUT_HEIGHT, DISP_THICK], center=True))
+    fit = sp.left((DISP_OUT_WIDTH-DISP_VIS_WIDTH)/2)(fit)
+    mask = sp.union()(visible, fit)
+    mask = sp.forward((DISP_OUT_HEIGHT-DISP_VIS_HEIGHT)/4)(mask)
+    return mask
+
+def gen_tag() -> sp.OpenSCADObjectPlus:
+    bone = gen_bone()
+
+    positive = sp.union()(
+        bone
+    )
+
+    mask = gen_display_mask()
+    mask = sp.up(TAG_DEPTH-DISP_THICK-DISP_VIS_THICK)(mask)
+
+    final = positive - mask
+    return final