Add README and put electronics department stuff in a folder

Electronics and Digital Fabrication/relay_enclosure/temp.py

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+import cadquery as cq
+from cadquery import exporters
+
+
+p_innerWidth = 27.0  # Outer width of box enclosure
+p_innerLength = 51.0  # Outer length of box enclosure
+p_innerHeight = 20  # Outer height of box enclosure
+
+p_thickness = 1.0  # Thickness of the box walls
+p_bottomHeight = 3
+p_boardThickness = 1
+
+p_screwpostSpacing = [20.4, 44.4]
+p_screwpostID = 3.5
+p_screwpostOD = 5
+p_innerScrewpostOD = 6.25
+p_screwLength = 12.0
+
+p_countersinkDiameter = 5.75
+
+p_hexnutDiameter = 6.5
+p_hexnutDepth = 2.5
+
+p_wireOpening = [15, 6]
+
+countersinkDepth = (p_innerHeight + p_thickness * 2) - p_screwLength
+
+enclosed = (
+    cq.Workplane("XY")
+    .rect(p_innerWidth, p_innerLength)
+    .extrude(p_innerHeight)
+)
+
+# split box into lid and bottom parts
+(bottom, lid) = (
+    enclosed.shell(p_thickness)
+    .faces("<Z")
+    .workplane(-(p_thickness + p_bottomHeight + p_boardThickness))
+    .split(keepTop=True, keepBottom=True)
+    .all()
+)
+
+bottom = (
+    bottom.faces("<Z[1]").workplane()
+    .rect(*p_screwpostSpacing, forConstruction=True)
+    .vertices()
+    .polygon(6, p_hexnutDiameter + p_thickness * 2)
+    .extrude(p_bottomHeight)
+)
+
+bottom = (
+    bottom.faces("<Z").workplane()
+    .rect(*p_screwpostSpacing, forConstruction=True)
+    .vertices().tag("screw_holes")
+    .polygon(6, p_hexnutDiameter)
+    .cutBlind(-p_hexnutDepth)
+    .vertices(tag="screw_holes")
+    .circle(p_screwpostID / 2.0)
+    .cutThruAll()
+)
+
+lid = (
+    lid.faces("<Z").workplane()
+    .rect(*p_screwpostSpacing, forConstruction=True)
+    .vertices()
+    .circle(p_screwpostOD / 2.0)
+    .extrude('next')
+)
+
+lid = (
+    lid.faces(">Z").workplane()
+    .rect(*p_screwpostSpacing, forConstruction=True)
+    .vertices().tag("screw_holes")
+    .circle(p_countersinkDiameter / 2.0 + p_thickness)
+    .extrude(-(countersinkDepth + p_thickness))
+    .vertices(tag="screw_holes")
+    .cboreHole(p_screwpostID, p_countersinkDiameter, countersinkDepth)
+)
+
+lid = (
+    lid.faces(">Y").edges("<Z").workplane(centerOption='CenterOfMass')
+    .move(0, p_wireOpening[1] / 2.0)
+    .rect(*p_wireOpening)
+    .cutThruAll()
+)
+
+
+show_object(bottom, 'bottom')
+show_object(lid, 'lid')
+
+
+exporters.export(bottom, f'bottom.stl')
+exporters.export(lid, f'lid.stl')

README.md

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+# Miscellaneous Models for 3D Printing and Laser Cutting
+
+`sharpieHolder`
+: Simple magnetic holder for Sharpies on the refrigerator
+
+`bearingSleeve`
+: Make a bearing bigger to ride in the rails for the cabinets in the cafe
+
+`dell_e6440_hdd_caddy`
+: Caddy for Dell Latitude E6440 laptop. Derived from E6430 caddy from https://www.thingiverse.com/thing:3077876/
+
+`bathroomSign`
+: "Vacant"/"Occupied" signs on the bathroom doors
+
+`ecobee_box_plate`
+: Adapter plate for the Studio Space Ecobee thermostat, to mount to an electrical box
+
+## Electronics and Digital Fabrication
+
+`taz-6-camera`
+: Mounting bracket for webcam on Lulzbot Taz 6 (3D printer). T-nut derived from https://www.thingiverse.com/thing:5159464/ , modified to just bolt into the plastic
+
+`relay_enclosure`
+: A box for the relay controlling the lights on the Lulzbot Taz 6 (3D printer)
+
+`rotaryAttachmentCone`
+: A cone for the Spirit GLS Hybrid (laser cutter)'s rotary attachment