Build an Entire Sci-Fi City from Empty Filament Spools

The Spool Tower system transforms your empty filament spools into large, multi-level modular sci-fi terrain.

Instead of throwing spools away, you use them as a rigid core and attach detailed facade panels to create:

Industrial power plants

Silos and processing towers

Elevated platforms and walkways

Dice tower toppers

Modular display structures

With enough spools, you can build a full vertical sci-fi settlement.

Designed to Reduce 3D Printing Waste

Frequent 3D printing creates two major waste problems:

• Empty filament spools• Scrap filament ends

This system was created to solve both.

Thin wall designs use minimal materialEntire tower levels can print for under 100gNo supports requiredMinimal infillLarge terrain builds at low material cost

What’s Included in This BundleCore Sci-Fi Sets

Power Plant

Industrial Silo

Cryo Pods

Outrage Agitator

Metal Bridges

Metal Ramps

Metal Stairs

Metal Ladders

Bonus / Stretch Content

Turntable

Radar Dice Tower

Tree Top Dice Tower

Greeble Pack

Observatory

Shop / Kiosk Fronts

Damaged Warehouse

Clip-On Fence Pack

Jail Cell

Dive Bar

Giant Rail Gun

Elevator

Temporal Displacement Device

Gaming Arcade

Spool Fit & Sizing

Designed around a typical spool size of:

200mm outer diameter

55mm internal height

85mm centre post diameter

~3.5mm flange thickness

If your spool is close to these dimensions, fitting is straightforward.

A detailed fitting guide is included to help with scaling and tolerance adjustments.

3D printing settingsPrinting Instructions (FDM)

Printer type: FDM

Material: PLA recommended

Nozzle: 0.4mm

Layer height: 0.2mm

Supports: None required

Infill: Minimal

Walls: 2–3 perimeters recommended