1C · Practice/Practice: Vertical Rollers
1C · PracticeLesson 42 of 56

Practice: Vertical Rollers

Dual-sided vertical rollers from the FRC-COTS Tube Roller System, with a 3D-printed motor spacer and serial belts.

Est 11 minLevel IntermediateSoftware Fusion 360
01

Vertical Rollers

Build a vertical roller stack: three rollers per side, belt-driven by Krakens.

  • Two mirrored sides, three rollers each.
  • Driven through a 3D-printed motor spacer block.
  • Built around the FRC-COTS Tube Roller System.
FUSION 360 · SCREENSHOT
add → course-shots/1c-07/1.png
FIG 1
Target: dual-sided vertical rollers

Key Specs

Layout
  • Layout sketch 3 in above origin on an offset joint origin
  • Top plate 7 in above the bottom
  • Roller length 7 in; motor spacer block 1 in
Parts (FRC-COTS)
  • Kraken X44 motors
  • 12T and 24T pulleys
  • Tube Roller System; 1x1 tube plugs
02

Build Notes

Watch these.

  • The 1x1 tube plug has four holes — use only two.
  • Set Mirror to 'transform' so you don't duplicate parts.
  • Rigid-group parts before positioning them in the assembly.
Recap

VERTICAL ROLLERS

  • Dual-sided, three rollers per side
  • FRC-COTS Tube Roller System + Krakens
  • Trim belt C-C by 0.015 in to cut friction
  • Mirror as 'transform', not duplicate

Your Task

Build this
  • Model what this lesson covers in Fusion 360.
  • Use the AltSkripts tools where they apply.
  • Save it with a clear name.
How to submit
  • In Fusion: Share → Public Link → Copy.
  • Paste the link below.
  • A coach reviews it in AltHub.