Adapter made for C170 for the following lens:
https://www.amazon.com/gp/product/B01FFOFTEM/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

Made this as I was only able to find an adapter for the c270. Hole for lens was sanded a little and then the lens was screwed into the hole using some force. zip tie shown in image was used to secure frame since I broke the screw and was unable to replace it at the time.

Note:The frame is not an exact fit.

Good luck and hopefully this helps someone.

Anet A8

No

No

0.2

10

These were settings I used in my print
shell was 0.8
Rotate object so that HT is flat on build plate

Fusion 360
Started with rectangle,
extruded
added screw mounts and extruded.
Added holes for screw mount,
added lens hole,
added lip for frame