ecospool / materials
ecospool / materials

Materials.

Status: Ordered — awaiting Creality M1 / R1 delivery Started: 10/2025 Product Lead: Lucas
README

Main Info.

What this is.

This page is the production record for EcoSpool's filament line — the equipment, process, and material profiles that turn sorted scrap into usable spool. It documents the path from a single secondhand extruder to a two-stage shred-and-extrude setup, and the four materials that run through it.

How the line works.

Scrap is verified with SORT, then run through two stages: the R1 shreds sorted plastic down into regrind, and the M1 dries and extrudes that regrind into finished filament. Each material gets its own settings and its own regrind limits — dialed in per-material rather than run on one generic profile.

Where things stand.

Two Creality M1 extruders and two Creality R1 shredders were ordered on 5/29/2026 to add a dedicated shredding stage ahead of extrusion. The line is currently waiting on delivery.

What's next?

  • Short term: receive and commission the M1 / R1 units.
  • Medium term: requalify all four materials on the new line.
  • Longer term: add SORT-verified regrind tracking per spool.
Build Log

Every step, logged.

A running history of the filament line — from the original secondhand extruder to the ordered two-stage Creality setup. Dates are approximate where exact timestamps weren't preserved.

5/29/2026 ordered
Awaiting delivery
Ordered 2× Creality M1 and 2× Creality R1
Two M1 extruders and two R1 shredders ordered to move off the single secondhand extruder and split the process into a proper shred-then-extrude line, with enough headroom to run two units of each in parallel once commissioned.
10/2025 start
Historical
Line started on a secondhand single-screw extruder
The first version of the filament line — an older, generic single-screw extruder with no dedicated shredding stage or closed-loop diameter control.
Machines

What runs the line.

Equipment used to turn scrap into spool.

Machine
Description
Role
Status
Creality M1 ×2 Filament extruder
Dries and extrudes shredded regrind into finished 1.75 mm filament.
Extrusion
Ordered 5/29/2026
Creality R1 ×2 Plastic shredder
Shreds SORT-verified scrap into regrind ahead of extrusion — the line's first dedicated shredding stage.
Shredding
Ordered 5/29/2026
Filament Materials

What we recycle.

Every spool starts as verified scrap — sorted by SORT, shredded and dried, then extruded to spec. Four base materials run through the line. Pick one to see its print settings, source profile, and where it's typically used.

PLA

Polylactic Acid Highest recovery volume

The bulk of what comes through the door. Easy to sort by NIR signature, easy to reprocess, and forgiving on the extruder.

Print Settings
Nozzle temp195–215 °C
Bed temp50–60 °C
Bed adhesionBare glass or PEI, no glue needed
Cooling100% after first layer
EnclosureNot required
Source Profile
Typical inputFailed prints, purge, support waste
Made onCreality M1 Extruder

Best for

  • Prototypes and fit checks
  • Display models, low-load brackets
  • Anything printed indoors, not left in a hot car
PLA softens well below most summer attic or car temperatures — don't spec it for outdoor or heat-exposed parts.

PETG

Glycol-Modified Polyethylene Terephthalate Growing volume

Tougher and more heat-resistant than PLA, without ABS's warping or fumes. Recovery volume is climbing.

Print Settings
Nozzle temp230–250 °C
Bed temp70–80 °C
Bed adhesionPEI sheet, light glue for tall parts
Cooling30–50%
EnclosureNot required
Source Profile
Typical inputFunctional part rejects, clamshell offcuts
Made onCreality M1 Extruder

Best for

  • Mechanical parts, brackets, jigs
  • Anything that needs to flex slightly instead of snap
  • Mild outdoor exposure
Runs stringier than PLA. Recycled PETG especially benefits from a thorough dry cycle before printing.

ASA

Acrylonitrile Styrene Acrylate Lower volume, higher value

ABS's UV-stable cousin. Smaller volume comes through the door, but it's the one category PLA and PETG genuinely can't cover.

Print Settings
Nozzle temp240–260 °C
Bed temp90–100 °C
Bed adhesionPEI + glue stick recommended
Cooling0–20%
EnclosureRecommended
Source Profile
Typical inputOutdoor bracket rejects, automotive trim scrap
Made onCreality M1 Extruder

Best for

  • Outdoor brackets and enclosures
  • Parts exposed to sun and weather
  • Anything ABS-grade that also needs UV stability
Vents fumes similar to ABS while printing — enclosure and ventilation matter more here than for PLA or PETG.

ABS

Acrylonitrile Butadiene Styrene Steady, small volume

The old standby for tough, machinable parts. Smaller share of intake than PLA or PETG, but reliably present.

Print Settings
Nozzle temp230–250 °C
Bed temp95–110 °C
Bed adhesionABS slurry or glue stick
Cooling0–10%
EnclosureRequired
Source Profile
Typical inputPrinter housings, enclosure panels
Made onCreality M1 Extruder

Best for

  • Machinable, sandable, acetone-smoothable parts
  • Indoor enclosures and housings
  • Parts needing higher heat resistance than PLA
Warps without an enclosure and vents noticeably while printing. Not the easiest recycled material to start with.
IP & Use

A record, not a license.

This page establishes production history and communicates the process without functioning as a complete disclosure of it.

EcoSpool's filament production process and material profiles are proprietary EcoSpool development. This page documents equipment history, process decisions, and demonstrated results. Publication does not grant permission to reproduce, sell, or create derivative processes.

Process details may be intentionally incomplete or summarized. Unless stated otherwise, names, branding, documentation, and related intellectual property remain under EcoSpool's control.