Done with layouting so far.

pcb/transimpedance_amp/Testpoints.pretty/TP_SMD_quadr_3mm.kicad_mod

@@ -0,0 +1,9 @@
+(module TP_SMD_quadr_3mm (layer F.Cu) (tedit 58FF0D14)
+  (fp_text reference REF** (at 0 2.54) (layer F.SilkS)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (fp_text value TP_SMD_quadr_3mm (at 0 -2.54) (layer F.Fab)
+    (effects (font (size 1 1) (thickness 0.15)))
+  )
+  (pad 1 smd rect (at 0 0) (size 3 3) (layers F.Cu F.Paste F.Mask))
+)

pcb/transimpedance_amp/transimpedance_amp.sch

@@ -260,7 +260,7 @@ U 1 1 58FE3886
 P 4600 3200
 F 0 "TP1" H 4600 3500 50  0000 C BNN
 F 1 "TEST" H 4600 3450 50  0000 C CNN
-F 2 "Wire_Pads:SolderWirePad_single_1mmDrill" H 4600 3200 50  0001 C CNN
+F 2 "Testpoints:TP_SMD_quadr_3mm" H 4600 3200 50  0001 C CNN
 F 3 "" H 4600 3200 50  0000 C CNN
 	1    4600 3200
 	1    0    0    -1  
@@ -576,7 +576,7 @@ L D_Photo D2
 U 1 1 58FE921C
 P 7250 4600
 F 0 "D2" H 7270 4670 50  0000 L CNN
-F 1 "BPW34FA" H 7210 4490 50  0000 C CNN
+F 1 "BPW34" H 7210 4490 50  0000 C CNN
 F 2 "Photodiodes:BPW34FA" H 7200 4600 50  0001 C CNN
 F 3 "http://www.farnell.com/datasheets/2046123.pdf" H 7200 4600 50  0001 C CNN
 F 4 "1045425" H 7250 4600 60  0001 C CNN "Farnell"
@@ -606,12 +606,12 @@ F 3 "" H 7250 5200 50  0000 C CNN
 	-1   0    0    -1  
 $EndComp
 $Comp
-L TEST TP3
+L TEST TP4
 U 1 1 58FE922E
 P 7050 3200
-F 0 "TP3" H 7050 3500 50  0000 C BNN
+F 0 "TP4" H 7050 3500 50  0000 C BNN
 F 1 "TEST" H 7050 3450 50  0000 C CNN
-F 2 "Wire_Pads:SolderWirePad_single_1mmDrill" H 7050 3200 50  0001 C CNN
+F 2 "Testpoints:TP_SMD_quadr_3mm" H 7050 3200 50  0001 C CNN
 F 3 "" H 7050 3200 50  0000 C CNN
 	1    7050 3200
 	-1   0    0    -1  
@@ -789,7 +789,7 @@ U 1 1 58FEC254
 P 6050 1900
 F 0 "TP2" H 6050 2200 50  0000 C BNN
 F 1 "TEST" H 6050 2150 50  0000 C CNN
-F 2 "Wire_Pads:SolderWirePad_single_1mmDrill" H 6050 1900 50  0001 C CNN
+F 2 "Testpoints:TP_SMD_quadr_3mm" H 6050 1900 50  0001 C CNN
 F 3 "" H 6050 1900 50  0000 C CNN
 	1    6050 1900
 	-1   0    0    -1  
@@ -811,4 +811,28 @@ F 3 "" H 5850 3700 50  0000 C CNN
 	1    5850 3700
 	1    0    0    -1  
 $EndComp
+$Comp
+L GND #PWR08
+U 1 1 58FF10F3
+P 6050 2600
+F 0 "#PWR08" H 6050 2350 50  0001 C CNN
+F 1 "GND" H 6050 2450 50  0000 C CNN
+F 2 "" H 6050 2600 50  0000 C CNN
+F 3 "" H 6050 2600 50  0000 C CNN
+	1    6050 2600
+	1    0    0    -1  
+$EndComp
+$Comp
+L TEST TP3
+U 1 1 58FF116B
+P 6050 2450
+F 0 "TP3" H 6050 2750 50  0000 C BNN
+F 1 "TEST" H 6050 2700 50  0000 C CNN
+F 2 "Testpoints:TP_SMD_quadr_3mm" H 6050 2450 50  0001 C CNN
+F 3 "" H 6050 2450 50  0000 C CNN
+	1    6050 2450
+	-1   0    0    -1  
+$EndComp
+Wire Wire Line
+	6050 2450 6050 2600
 $EndSCHEMATC