add various 3d models

connector/rj45_kh-rj45-56-8p8c-d.yaml

@@ -27,6 +27,11 @@ housing:
   bodyLength: 15.75
   height: 13.1
 
+  model: # from /usr/share/kicad/3dmodels/Connector_RJ.3dshapes/RJ45_Amphenol_RJHSE538X.step
+    file: "library/connector/rj45_kh-rj45-56-8p8c-d.step"
+    rotation: 0,0,180
+    position: 3.5,0,0
+
   # 8P8C pins
   holeDiameter: 0.89
   padDiameter: 1.3

connector/xlr-15-n3l.yaml

@@ -22,6 +22,11 @@ housing:
   bodyPosition: 0, 8.35
 # 11.15 2.8 13.95 
   silkscreen: M -10.8, -11.15, 10.8, -11.15, 10.8, -8.35, -10.8, -8.35, -10.8, -11.15
+
+  model: # from https://grabcad.com/library/neutrik-xlr-nc3mah-0-1
+    file: "library/connector/xlr-15-n3l.step"
+    rotation: -90,0,180
+    position: 0,8.5,0
   
   # XLR pins
   holeDiameter: 1.5

connector/xlr-18p-2-n3b.yaml

@@ -20,6 +20,11 @@ housing:
   bodyPosition: 0, 8.4
   silkscreen: M -10.8, -11.1, 10.8, -11.1, 10.8, -8.4, -10.8, -8.4, -10.8, -11.1
   
+  model: # modified from https://grabcad.com/library/neutrik-xlr-nc3fah2-1
+    file: "library/connector/xlr-18p-2-n3b.step"
+    rotation: -90,0,0
+    position: 0,8.4,0
+  
   # XLR pins 1-2
   holeDiameter: 1.6
   padDiameter: 2.2