Cable clamp for multiple cables fastened with m3x8 screws

cluster_cable_clamp/modelo.py

@@ -0,0 +1,67 @@
+import cadquery2 as cq
+from cadquery2 import exporters
+
+thickness = 12
+width = 60
+depth = 10
+holes = 6
+screws = 2
+
+cable_radius = 1.5
+
+# Threaded insert hole dimensions
+ti_radius = 2.35
+ti_depth = 6.5
+
+# M3x8 screw
+screw_l = 10
+screw_shaft = 8
+screw_head_h = 2.5
+screw_head_radius = 3.25
+screw_radius = 1.5
+
+# Constants here are fudge factors to make things look nice
+screw_hole_positions = [(6 - width / 2, 0), (width / 2 - 6, 0)]
+cable_hole_positions = [((i + 1.5) * width / 8 - width / 2, 0) for i in range(holes)]
+
+
+def clamp():
+    return (
+        cq.Workplane("XY")
+        .box(width, depth, thickness)
+        .edges("|Z")
+        .fillet(2)
+        # Screw holes
+        .faces("<Z")
+        .workplane()
+        .pushPoints(screw_hole_positions)
+        .circle(ti_radius)
+        .cutBlind(-ti_depth)
+        .faces(">Z")
+        .workplane()
+        .pushPoints(screw_hole_positions)
+        .circle(screw_radius)
+        .cutBlind(-thickness)
+        .faces(">Z")
+        .workplane()
+        .pushPoints(screw_hole_positions)
+        .circle(screw_head_radius)
+        .cutBlind(-screw_head_h)
+        # Cable holes
+        .faces(">Y")
+        .workplane(centerOption="CenterOfBoundBox")
+        .pushPoints(cable_hole_positions)
+        .circle(cable_radius)
+        .cutBlind(-depth)
+    )
+
+
+exporters.export(clamp(), "full_clamp.stl")
+
+top_clamp = clamp().faces("<Z").workplane(offset=-thickness / 2).split(keepTop=True)
+exporters.export(top_clamp, "top_clamp.stl")
+
+bottom_clamp = (
+    clamp().faces("<Z").workplane(offset=-thickness / 2).split(keepBottom=True)
+)
+exporters.export(bottom_clamp, "bottom_clamp.stl")

monitor/lower_arm.py

@@ -10,7 +10,7 @@ inner_monitor_hinge = 3.2 / 2
 outer_monitor_hinge = hinge_w / 2
 
 # tripod hinge dimensions
-inner_tripod_hinge = 7.5 / 2
+inner_tripod_hinge = 7 / 2
 outer_tripod_hinge = 17.5 / 2
 tripod_hinge_width = 5.5
 
@@ -24,7 +24,7 @@ tripod_hinge_shape = (
 )
 
 arm_width = min(tripod_hinge_width, hinge_gap)
-arm_length = 150
+arm_length = 130
 
 lower_arm = (
     cq.Workplane("XY")
@@ -46,4 +46,4 @@ lower_arm = (
     .extrude(-tripod_hinge_width)
 )
 
-exporters.export(lower_arm, "lower_arm.stl")
+exporters.export(lower_arm, "lower_arm.svg")

monitor/upper_arm.py

@@ -18,7 +18,7 @@ elbow_hinge_shape = (
     cq.Sketch().circle(outer_monitor_hinge).circle(inner_monitor_hinge, mode="s")
 )
 
-arm_length = 150
+arm_length = 130
 arm_width = hinge_gap
 
 upper_arm = (