Borescope Endoscope Camera Guide

Made for use with an 8mm borescope camera

Requires:
1 m3*10 bolt
1 m3 nut
4 8x22x7mm 608-2RS bearings ($20/100 on Amazon)

Designed to fit in a 1 1/2" inch schedule 40 PVC pipe with about 1mm of clearance

If you skip printing the hemispheric wheels and just print the main body and attach the bearings, this should fit inside a 1 1/4" schedule 40 PVC pipe, which PVCFittingsOnline shows as having an average internal diameter of 1.360"