What is the weight of an empty spool? (for calculating remaining filament)

Don't know, and it might not matter anyway since manufacturers can use different spool designs and materials on different lots. What I do is measure the weight of each full spool before printing and tag it with a sticker showing the weight. Rough guideline, solid plastic spools tend to be between 200 and 240g, skeletonized and cardboard tend to be between 125 and 175g (based on full weight assuming 1kg of filament). I've also noticed most manufacturers go heavy on their filament, with up to 50g over the 1k spec. A few manufacturers, like PolyMaker, have started to put an approximate spool weight directly on the spools. But this is just approximate. My measurements would indicate that the spool is actually heavier, or there's about 15g of extra filament on the one I currently have open. Hopefully we'll see more manufacturers give us at least the rough spool weight in the future.

Will it hold a 2kg spool?

No it’s made of the standard 1kg. 2kg are 50% taller and wider. If it was only 2x wide a 2 out dryer would work but due to the larger diameter you have to look at commercial style see the one by fixdry.

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Silk Triple Color PLA Filament 1.75mm, 3-in-1 Coextruded Shiny Multicolor 3D Printer Filament, 250g(0.55lbs) Spool, Silk Rose Red/Sky Blue/Green, Clog-Free & Bubble-Free for FDM 3D Printers

Product ID: 555473139

Details

Brand
3Dgenius
Color
Tri Red+sky
Item Diameter
1.75
Item Weight
0.72 Pounds
Material
Polylactic

🌈3-in-1 tri-color coextrusion

🎯±0.03mm precision diameter

🛡️clog & bubble-free printing

21288CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌟 Print in Triple Color, Shine in Single Pass!

ZERO HASSLE PRINTING - Vacuum-sealed, moisture-free packaging ensures clog-free, bubble-free, and string-free printing every time.
SILKY GLOSS TOUGHNESS - Premium PLA with a metallic sheen that hides layer lines and boosts durability against brittleness.
UNIVERSAL COMPATIBILITY - Optimized for most FDM printers like Ender, Bambu, and Makerbot with expert print settings included.
VIBRANT TRI COLOR MAGIC - Three distinct colors fused in one filament for dynamic, multi-hued prints without hardware upgrades.
PRECISION PERFECT PRINTS - Engineered with ±0.03mm diameter accuracy for flawless layer bonding and intricate detail.

3Dgenius Silk Triple Color PLA Filament is a 1.75mm, 250g spool featuring a unique 3-in-1 coextruded tri-color design (Rose Red, Sky Blue, Green) that delivers vibrant multi-color prints from a single filament. Engineered for professional-grade precision with ±0.03mm diameter tolerance, it ensures smooth, clog-free printing thanks to advanced drying and vacuum-sealed packaging. Its silk glossy finish and enhanced toughness reduce layer visibility and brittleness, making it ideal for detailed, durable 3D prints compatible with most FDM printers.

Specifications

ASIN	B0C9DQ6H8Z
Additional Features	Tri-colored coextruded filament for multi-color printing in a single model
Best Sellers Rank	#1,664 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #96 in 3D Printing Filament
Brand Name	3Dgenius
Color	Tri Colors(rose Red+sky Blue+green)
Customer Reviews	4.5 4.5 out of 5 stars (2,879)
Item Diameter	1.75 Millimeters
Item Weight	0.72 Pounds
Manufacturer	3Dgenius
Manufacturer Part Number	3Dgenius
Material Type	Polylactic Acid
Number of Items	1
Unit Count	8.8185 Ounce
Warranty Description	1 year

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