MKII APC

£8.50Price
MKII APC
Comes as 3d printable stl files.
Also availiable as part of a bundle deal here 
https://gumroad.com/duncanshadow The bundle deals will also save you quite a bit of money if you want the complete set.

TERMS AND CONDITIONS: You can print these files for your personal use, but you may not sell the printed items or distribute the digital 3D models/files to other parties. I am happy for you to print and sell the models (at cost) to your friends, but you can't go into business selling or distributing the models for profit or publicly advertise that you print and sell the models in any way whatsoever.