Modular wire spool holder with anti-retract

Update 2026.05.14: added StackPlate, for vertical stacking

• available in multiple sizes. for 3 to 7 modules as a print profile, 8 module wide as a downloadable stl file
• 2 part design, for less waste material, no support needed
• pins for easier assembly, arrows indicates correct alignment, check the side
• for best result, glue them together

Update 2026.05.13: added gridfinity trays

• from 2 to 4 long trays (a bigger 2x5 tray was added only as downloadable stl files, can hold up to 8 module holder, or more smaller ones like 4+4  )
• print plate names indicate each tray how many modules can be held
• 2x4 can hold 6, or a variation of 2-4 modules
• 2x4 MAXI can hold exactly 7 module, in exchange of extra cutout on the sidewall

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Modular wire spool holder with anti-retract mechanism. Can be used with any spool sizes up to 70mm in diameter, and ~21-22mm wide

2 piece of M3 bolt need for the closing tag, and a piece of filament for the hinge

• spring loaded cable holder, to avoid accidentaly cable retract

  tested from AWG18 - 24AWG cable sizes (cable hole is 3mm wide)

• the anti-retract spring is easy to replace, if it breaks or starts to loosen over time
• easy acces from top, dont need to disassamble to change the spools
• various rod sizes includes in the 3MF file, from 2-8 to hold together the containers
   (length 9 and 10 included as stl only due plate size limit)

It's contain small parts, be be sure your plate is properly cleaned, and your filament is ready, to avoid any first layer issue and warping.

For the hinge, you need a filament piece:

Multiple rod sizes in 3MF file

Important:

Make sure your print bed is clean, and check your printer calibration. 

Verify the recommended settings, and make sure your bed is level. 

All parts are oriented for the best results. Brim and supports (if the part has any) have been adjusted to ensure successful printing.