cleanup

octoprint-arm/README.md

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+Arm to connect a crappy webcam to a crappy tripod
+
+<blockquote class="twitter-tweet"><p lang="es" dir="ltr">Quiero una webcam para octoprint, tengo un trípode viejo de micrófono, una webcam pedorra con &quot;montura&quot; para monitor?<br><br>No pasa nada, 15 minutos de cadquery, 40 minutos de impresión y tengo exactamente el trípode que quiero. <a href="https://t.co/RCSzhtWSkR">pic.twitter.com/RCSzhtWSkR</a></p>&mdash; Roberto H. Alsina (@ralsina) <a href="https://twitter.com/ralsina/status/1547570094523371520?ref_src=twsrc%5Etfw">July 14, 2022</a></blockquote> <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>

octoprint-arm/modelo.py

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+import cadquery2 as cq
+from cadquery2 import exporters
+
+# camera hinge dimensions
+inner_camera_hinge = 4.2 / 2
+outer_camera_hinge = 8.5 / 2
+camera_hinge_width = 15
+
+# tripod hinge dimensions
+inner_tripod_hinge = 7.5 / 2
+outer_tripod_hinge = 17.5 / 2
+tripod_hinge_width = 5.5
+
+
+camera_hinge_shape = (
+    cq.Sketch().circle(outer_camera_hinge).circle(inner_camera_hinge, mode="s")
+)
+
+tripod_hinge_shape = (
+    cq.Sketch().circle(outer_tripod_hinge).circle(inner_tripod_hinge, mode="s")
+)
+
+arm_width = min(tripod_hinge_width, camera_hinge_width)
+arm_length = 75
+
+camera_arm = (
+    cq.Workplane("XY")
+    .rect(arm_width, arm_width)
+    .extrude(arm_length)
+    .edges("|Z or <Z or >Z")
+    .fillet(0.25)
+    .faces(">Y")
+    .tag("side")
+    .workplane(
+        centerOption="CenterOfBoundBox", offset=(camera_hinge_width - arm_width) / 2
+    )
+    .center(0, arm_length / 2 + (outer_camera_hinge - inner_camera_hinge))
+    .placeSketch(camera_hinge_shape)
+    .extrude(-camera_hinge_width)
+    .center(0, -(arm_length + outer_tripod_hinge))
+    # Undo previous offset + new offset
+    .workplane(
+        offset=-(camera_hinge_width - arm_width - tripod_hinge_width + arm_width) / 2
+    )
+    .placeSketch(tripod_hinge_shape)
+    .extrude(-tripod_hinge_width)
+)
+
+exporters.export(camera_arm, "camera_arm.stl")