5 model

Free

49mm to 52mm filter adapter for Fuji X100V / X100VI camera - angular version II

Printables

Free

AF Nikkor 24 rim protector with 52mm filter thread v3

Printables

Free

Spool adaptor - 30mm to 52mm

Thingiverse

Free

Wanhao i3 Spool Adaptor suit 52mm Spool

Thingiverse

Free

Sony RX100 filter adapter

Printables