Square Tube Clamp
=================

Square tube on utility and tool cart frames or hand-truck handles: 25.4 mm (1 in) or 31.8 mm (1-1/4 in). Print the block for your size AND its band.

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.

WHAT IT IS
  A dock adapter. It holds the receiver that any swappable holder on the site clicks into: print the
  holder's Dock (swap between mounts) version, fix this adapter to your carrier, and drop the holder in
  from above until it clicks. Press the release pad and lift to take it off.
  Lock screw (every adapter): 1 x M5 short heat-set insert + 1 x M5 x 25 knurled thumbscrew (DIN 464) in the 45-degree lock boss. Optional on a bench, use it on moving carts and lift gates.

FILES
  - A_SQTUBE_25.stl
      fits: square tube 25.4 x 25.4 (utility / tool cart frames, hand-truck handles), horizontal
      hardware: 2 x M5 short heat-set insert + 2 x M5 x 16 knurled thumbscrew + 1 x A_SQTUBE_band_25
      rating: 1.5 kg with the lock screw once it passes the bench drop test (flat face: cannot rotate)
      on the plate: on its -y cheek (latch arm and tab flat on the bed), no supports
  - A_SQTUBE_band_25.stl
      use: U-band behind a 25.4 x 25.4 square tube; 2 x M5 pull it onto the block
      on the plate: on its side (y0 face on the bed), no supports
  - A_SQTUBE_32.stl
      fits: square tube 31.8 x 31.8 (utility / tool cart frames, hand-truck handles), horizontal
      hardware: 2 x M5 short heat-set insert + 2 x M5 x 16 knurled thumbscrew + 1 x A_SQTUBE_band_32
      rating: 1.5 kg with the lock screw once it passes the bench drop test (flat face: cannot rotate)
      on the plate: on its -y cheek (latch arm and tab flat on the bed), no supports
  - A_SQTUBE_band_32.stl
      use: U-band behind a 31.8 x 31.8 square tube; 2 x M5 pull it onto the block
      on the plate: on its side (y0 face on the bed), no supports

TEST THE FIT FIRST
  Print the fit coupons from the Test pieces section and check them on your own gear before a long print.

Holders that click into it: https://cart-tools.sdos-placeholder.workers.dev/

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.
