Marker and Eraser Rack - Backstage cart lip (one piece, strongest)
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What it holds: Sharpies and markers

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_CA_marker_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 Magliner/cart lip block (shipped part, strongest). Hangs by gravity; optional M5 heat-set insert + thumbscrew clamps the lip. Prints upside down (rims on the bed), no supports. ~348 g.

HOW IT WORKS
  Holds 4 dry-erase markers (Expo), 4 Sharpies and a mini eraser, powder puff or folded rag, cap-up in the same spot every time, so you grab one with one hand.
  Fits: Backstage Equipment and Magliner-style carts with a 3.4 mm upright shelf lip at least 16 mm tall. The part drops onto the lip through a 3.7 mm slot (0.3 mm clearance), 26.6 mm deep with a round end, with 0.5 mm chamfers at both slot ends.
  4 x 21.5 mm and 4 x 15.5 mm pockets, 62 mm deep, each with a 45 degree funnel floor and a 5 mm dust hole. Eraser slot 34 x 56 x 68 mm. The slot is 3.7 mm for 15 mm at each end and relieved to 4.0 mm in between, so a slightly bowed print cannot bind on the 161 mm long lip. A back plate bears flat on the cart side. Size 72 x 162 x 74 mm. The Expo cap size is an estimate: check one marker against the 21.5 mm pocket first.
  On the cart: sticks out 54 mm from the cart side, hangs 32 mm below the deck, and needs a flat cart side 32 mm deep below the lip for the back plate to bear on.
  Retention: held by gravity unless you fit the M5 thumbscrew. Press an M5 short heat-set insert into the two holes on the shelf-side face (6.4 mm x 9 mm deep) and use a nylon-tipped M5 thumbscrew: it clamps the lip against the outer wall, so the part cannot lift off on a bump, slide along the lip or rattle.

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/#ca-marker-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.
