phone jack mounting tray RJ9 uxcell 616E 4P4C

Tray for "uxcell® 50 Pcs 616E 4P4C RJ9 Female Telephone Connector Adapter w 4 Wires 8cm" on amazon. http://www.amazon.com/uxcell%C2%AE-Female-Telephone-Connector-Adapter/dp/B00N41BFI8

Dimensions come out perfect on my printer, but it's not calibrated perfectly so YMMV. Mounting holes are 3mm diameter.