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2kg Spoolholder Drybox

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ᴜ ɴ ʀ ᴇ ᴀ ʟ

@Unreal

Rebuild of the Spannerhands Spool holder drybox. Now it holds 2kg Prusament spools. STP files are available.

Rating: 5 / 5
Likes: 484
Downloads: 631
Makes: 3
Views: 9,505
Reviews: 1

Updated at source: Mar 7, 2026

Model information

Source: Printables
Category: Organizers
License: Creative Commons — Attribution — Share Alike

Details Files (16)Makes & comments (Makes: 3) (Comments: 16)Remixes (0)Collections (559)

I originally wanted a 2kg spool version of the Spannerhands spool holder.

After editing the original stls, I noticed that due to the increased dimensions the print was sagging. Therefore I rebuilt the original design, increasing stiffness with honeycomb pattern on the inside.

Can hold one 2kg Prusament spool

Every Prusament spool will fit perfectly, but here are the dimensions if you have other brands:

max spool diameter:	205mm (210mm without sensor)
max spool width:	127mm
axle diameter:	50mm

Silica-gel pouches can stay both inside the spool core, and at the bottom of the drybox. You choose.

Cad-ready STP file is available

Original files only came as STL. Since I completely remodeled them, I can provide to you a quality cad model of the full assembly, so that it's easier for you do add this to your printers installation, and perform editings too.

3D Printed Parts

	1x Drybox Base
	1x Drybox Lid (Choose one): sensor and window sensor only window only no openings
	1x Drybox Gasket (FLEX)
	2x Clasp Brackets
	1x Drybox Funnel
	1x Hinge Shaft
	1x Hinge Nut
	1x Axle Core
	2x Axle Caps
	1x Semiflex Clasp (FLEX)

Off the Shelf Parts

	1x Temperature and Humidity Sensor (Optional) https://www.prusa3d.com/product/temperature-sensor/
	12x m3x8 Bolts https://www.prusa3d.com/en/product/m3x8-black-20-pcs-set/
	12x M3 Nuts https://www.prusa3d.com/en/product/m3n-black-55-pcs-set/
	1x M5 Brass insert https://www.prusa3d.com/product/threaded-inserts-m5-standard-50-pcs/ (Original design wasn't supposed to have this, but I feel the connection is much stronger with it. You can still use the original funnel and forget about this.)
	1x QSM - m5 https://www.prusa3d.com/product/festo-fitting-qsm-m5/
	2x 608 Bearings https://www.prusa3d.com/en/product/bearing-608-2z/

With plexiglass window

If you are making a windowed spool holder, you'll have to cut two of these out of plexiglass.
Any thickness between 1mm and 3mm is good. (DXF file is ready for cut)

Printing Tips

PETG for structural parts
TPU for flex parts
To make you drybox more effective, dry your filaments at best to reduce porosity.