Baby and Junior Stud Rack - Backstage cart lip (one piece, strongest)
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What it holds: Baby/junior studs, spuds, 3 in plates

PRINT SETTINGS
  Filament:  PETG
  Walls:     5
  Infill:    35% gyroid
  Orientation: the files are already oriented for printing. Put them on the plate as they load;
               don't rotate them.

FILES AND SUPPORTS
  - clip_FB_stud_rack.stl  (supports: no)

HOW IT MOUNTS
  BACKSTAGE CART LIP (ONE PIECE, STRONGEST)
    The cart-lip slot is printed into the holder, so it is one piece and as strong as it gets.
    Hold it tilted, hook the slot over the upright lip on the edge of a Magliner / Backstage-style cart
    shelf, and rock it down until it sits flat against the side.

    Notes for this holder: One piece with the native Magliner / cart-lip mount (the shipped part). Prints upside down, no supports.

HOW IT WORKS
  Holds spuds, pin adapters and junior adapters standing up, 45 mm deep, so they stay put on a ramp and come out with a straight one-handed pull. There are 4 baby holes (16.3 mm, for 5/8 in pins) and 1 junior hole (29 mm, for 1-1/8 in pins), with lead-in chamfers and a drain through the bottom of each.
  The two end holes are 120 mm apart, so two baby plates lying flat clear each other. A 3 in baby plate covers the holes next to it: a plate in the left end hole (next to the junior hole) blocks the junior hole, and a plate in the right end hole blocks the outer spud hole. With both end holes holding plates, the rack holds 2 baby plates plus 2 spuds or pins, and no junior. With no plates, it holds 4 baby pins or spuds and 1 junior adapter. The top sits flush with the clip, so nothing sticks up to snag.
  On the cart: sticks out 44 mm from the cart side, hangs 45 mm below the deck, and needs 45 mm of flat cart side below the lip for the back plate to bear on.
  Retention: held by gravity unless you fit the M5 thumbscrew. Press a short M5 heat-set insert (6.4 mm bore) into the hole on the deck-side face of the clip, then fit a nylon-tipped M5 thumbscrew. It clamps the cart lip so the part cannot lift off on a snag, slide along the lip or rattle. The screw sits 13 mm above the deck, so your cart's lip needs to be at least 16 mm tall.
  Fits: Backstage Equipment and Magliner-style carts with a 3.4 mm shelf lip. It drops on from above: a 3.7 mm slot (0.3 mm clearance), 26.6 mm deep with a rounded end and chamfered ends.

OTHER MOUNTS
  The same holder also comes ToughBuilt bar (one piece), Dock (swap between mounts), Mountless (desk, shelf, case or screw to a panel). Pick the mount on the site: https://cart-tools.sdos-placeholder.workers.dev/#fb-stud-rack

TEST THE FIT FIRST
  Carts, bars and tape rolls vary a little. Before a long print, print the small fit test from the
  Test pieces section of the site (or this part at low infill) and check it on your own gear.

Not affiliated with or endorsed by Magliner, Backstage Equipment, ToughBuilt, Milwaukee, Hollyland, Eartec, Sekonic, Inovativ, Matthews or Manfrotto. Brand names only say what a holder fits.
