Passive

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1. Introduction
This is the printing guide for TimeMass Passive filament as tested on the Bambu Labs A1. This filament features extremely low moisture exchange, high structural stiffness, and requires higher thermal energy for optimal melt and flow.

Because TimeMass Passive releases minimal vapor but has high melt resistance and moderate elasticity, these profiles focus on thermal force management, mechanical flow stability, and precise extrusion tuning.
If the print is not being successful, please lower the nozzle temperature by 10°C and start over until an optimal print is achieved.

2. Temperature Settings 0.8 mm Nozzle — Nozzle Temp: 255°C | Bed Temp: 70°C — Necessary thermal energy to prevent partial fusion at large diameter

Note: Heatsink fans must remain consistent. Bed adhesion improves with light glue stick.

3. Cooling Settings (All Nozzles)
3.a No Cooling for First Layers: 2 — Less needed due to stiffer filament body
3.b Fan Minimum Speed: 20% at 50 seconds — Starts cooling sooner to shape rigid geometry
3.c Fan Maximum Speed: 25% — Supports layer definition without cracking
3.d Keep Fan Always On: ON — Essential for shaping passive structure
3.e Force Cooling Overhangs: ON — Encourages clean bridges for long spans
3.f Fan for Overhangs: 25–35% — Passive holds angles well, supports sharper fan control

Note: Timeplast Passive benefits from continuous airflow and structured cooling logic.

4. Max Volumetric Flow
0.8 mm Nozzle — Max Flow: 13 mm³/s — Delivers clean, full-fused thick walls

5. Retraction & Pressure Advance
0.8 mm Nozzle — Retraction: 0.5 mm @ 15 mm/s | Pressure Advance: 0.05

Note: Low moisture = less stringing, but retraction is still key for clean transitions.

6. Layer Height and Line Width
0.8 mm — Layer Height: 0.3 mm | Initial: 0.35 mm | Line Width: 0.8 mm

Note: Clean lines support Timeplast Passive’s structural stiffness.

7. Wall, Shell & Infill Settings
7.a Wall Loops — 0.8 mm: 2
7.b Top/Bottom Shells — 0.8 mm: 3
7.c Top/Bottom Thickness — All: 1.2 mm (except 0.2 mm at 1 mm)
7.d Sparse Infill Density — 0.8 mm: 15–20%

Note: Strong shells help support high stiffness and dimensional precision.

8. Speed & Acceleration
8.a Travel Speed — 0.2 mm: 120 mm/s | 0.4 mm: 140 mm/s | 0.6 mm: 150 mm/s | 0.8 mm: 160 mm/s
8.b Outer Wall Speed — 35 / 45 / 55 / 65 mm/s (increasing by nozzle size)
8.c Infill Speed — 70 / 100 / 120 / 130 mm/s
8.d Acceleration (Print) — 1200 / 1800 / 2200 / 2400 mm/s²
8.e Acceleration (Travel) — 3000 / 3500 / 4000 / 4500 mm/s²

Note: Passive resists flex — high-speed print motion is safe and reliable.

9. Adhesion & Brims
9.a Skirt Loops: 1–2 — Clears dense first-line flow
9.b Brim Width: 5 mm — Secures stiffer corners to plate
9.c Brim Gap: 0.15 mm — Moderate release force to match rigidity

10. Flush, Prime & G-code
10.a Prime Tower: Optional — Low moisture means less need for purging

10.b Start G-code:

M900 K[PA] ; Pressure Advance M106 S0 ; Fan off G92 E0 G1 E15 F300 ; purge line G92 E0

Replace [PA] with the appropriate pressure advance value for your nozzle size.

11. Parameters That Stay Consistent Across All Nozzles
11.a Bed temperature: 70°C
11.b Seam logic and arc fitting: ON
11.c Retraction smoothing: Enabled
11.d Cooling delay: 2–3 layers
11.e Compatible with all standard Bambu Lab slicer tools

If you need any other assistance, feel free to reach out to us anytime at timeplast@timeplast.com — we’ll be happy to help.

IMPORTANT: 

TimeMass functional filaments are designed for advanced users, innovators, and professionals who understand and assume the risks associated with handling active or reactive materials. Some products in the TimeMass line contain biologically active, chemically reactive, or potentially toxic substances—including but not limited to: boric acid, sodium fluoride, insecticides, antifungal agents, and rodenticides.

By purchasing or using these products, you acknowledge and agree to the following:

• Use Responsibly: These materials are intended for experimental, industrial, or educational purposes only. They are not toys, and should be kept out of reach of children and pets at all times.

• Proper Handling Required: when using reactive filaments, always wear appropriate personal protective equipment when handling, printing, or disposing of filaments that may contain toxic or irritant ingredients. This may include gloves, masks, and adequate ventilation.

• Do Not Ingest: Any food-themed or bait filaments (e.g. Fish Food, Rat Bait, Bug Attractor) are not meant for human consumption and may be toxic if ingested. Avoid all direct contact with mouth, eyes, or open wounds.

• Liability Waiver: Timeplast assumes no responsibility or liability for misuse, improper handling, or unauthorized applications of these products. End users are solely responsible for evaluating the suitability and safety of the materials for their intended use.

• Local Laws Apply: Always follow local regulations regarding the use of antimicrobial agents, pesticides, or bioactive substances in your region or country.