Closed-type NERF bearing tube, 3-line 15-bearing bcar 15 bearing spiral

Upgraded to V1.1 to address strength issues and add a honeycomb outer cover—Click here for the portal

Other Nerf-related works: Fishline Tube v2.2、Hard Tube (no hardware required)、25-axis Bearing Tube、Bamboo Joint Dart Pusher

NERF Bearing Tube

3 lines with 15 bearings, suitable for 60 to 90 FPS; for lower FPS, consider installing only 9 bearings

Two styles for the outer tube: fully enclosed spiral texture, or straight chamfered hollow-out; you can choose freely

BOM:

1. MF63ZZ Flanged Bearings * 15
2. M3 x 8 Countersunk Screws * 15

ATTENTION!!!

• This model's **self-locking tube and outer tube** have been upgraded and cannot be used with the previously released Fishline Tube v2.2 (which lacks O-ring stops)!
• Friends who have already printed the Fishline Tube v2.2 can print only this model's **bearing inner core**!
• **Do not overtighten the screws; if the protrusions around the screw holes of the printed part are damaged, the bearings will not be able to rotate!**
• No brim! Clean the build plate with dish soap and spray with LAC glue before printing!
• Use the print profile directly; beginners should not modify the profile arbitrarily! (Layer height must be below 0.16, and print slowly)