Nylon+ Carbon Fiber Filament 1.75mm 1kg/2.2lb, Black – SainSmart.com
Sainsmart Carbon Fiber Nylon from a MicroSwiss hotend on an Ender 3. Thanks for all the help recently everyone, couldn't have done it without you :) : r/3Dprinting
SainSmart Nylon Carbon Fiber Review - YouTube
Nylon+ Carbon Fiber Filament 1.75mm 1kg/2.2lb, Black – SainSmart.com
SainSmart ePA12-CF Carbon Fiber Nylon Filament 1.75mm, 0.5kg (1.1lbs), Dimensional Accuracy +/- 0.05 mm, Black : Amazon.co.uk: Business, Industry & Science