[Free Download] Laboratory Background Illustration (Landscape) — Free for Copainter users, commercial use permitted.

I’m giving away laboratory background illustrations (landscape / 16:9) for free. These wide assets are especially handy for PC-oriented projects. There are also time-of-day variations, which makes them very convenient. Please feel free to use them for webtoons, games, manga, and other projects including advertisements.

Commercial use is allowed and free of charge. Tracing and edits/modifications are also permitted.

Please save and use the images posted on this page as they are. For license details, please check the section at the end of the text.

File Overview

• File format: PNG (non-transparent)
• Aspect ratio: Landscape
• Resolution: 1344 px (W) × 768 px (H)
• Download: Save each image below as-is (Note: no ZIP bundle is provided)

Laboratory Manga/Anime Background Illustrations (Downloadable)

Robot Lab (Day) | Bright Development Lab
A sunlit lab background suitable for depicting scenes with robot arms and electronics prototyping.

Robot Lab (Dusk) | Focused Development Space
A background wrapped in soft evening light—great for scenes of deep focus on research and experiments.

Robot Lab (Night) | Quiet Experimental Lab
With a window looking out on the night view and calm lighting, it’s ideal for late-night research or contemplation scenes.

Science & Engineering Lab (Day) | City-View Laboratory
A clean lab with an urban view, suitable for portraying everyday research activities.

Science & Engineering Lab (Evening) | Nostalgic Research Space
A sunset-tinted interior that creates an atmosphere perfect for endings-of-the-day or flashback scenes.

Science & Engineering Lab (Night) | Quiet Analysis Time
Cool-toned night light helps convey a focused mood for silent analysis and work.

University Lab (Day) | Well-Equipped Interior
Microscopes and reagent shelves create a credible academic research environment.

University Lab (Dusk) | Calm Research Scene
Natural evening light fills the room—an easy-to-use background for quiet campus scenes.

University Lab (Night) | Silence Before Closing
An almost-empty lab that enhances scenes of concentration or tension.

Electronics Lab (Wide View) | Full-Scale Experimental Lab
A lab packed with instruments and circuit boards—perfect for engineering and IT-focused scenes.

Electronics Prototyping Lab (Dusk) | City-View Workspace
Evening light streaming in naturally supports the mood of circuit design and measurement work.

Electronics Prototyping Lab (Night) | Focused Night Lab
Night city lights outside the window—ideal for late-night research and development scenes.

Chemistry Lab (Morning) | Lab with Reagents and Tools
Neatly arranged flasks and beakers—great as an introduction to authentic chemistry experiments.

Chemistry Lab (Evening) | Softly Lit Experimental Space
Natural dusk light creates a calm, settled research atmosphere.

Chemistry Lab (Night) | Quiet Analysis Environment
Dim lighting and lab equipment suit careful analysis or tense scenes.

Electronic Measurement Lab (Day) | Equipment-Rich Development Lab
Filled with measuring instruments and computers—ideal for engineering/IT research scenes.

Electronic Measurement Lab (Dusk) | Warm Work Space
Evening light stretching across the floor conveys the feeling of wrapping up a day’s work.

Electronic Measurement Lab (Night) | Unmanned Laboratory
A quiet, empty lab that supports reflective or flashback scenes.

Minimal Industrial Lab (Day) | Concrete-Wall Experimental Space
A no-frills interior well-suited for serious, highly technical research depictions.

Minimal Industrial Lab (Evening) | Heavy, Atmospheric Lab
Warm lighting softens the hard space, adding narrative weight to experiment scenes.

Minimal Industrial Lab (Night) | Dead-Silent Experimental Space
A lab lit only by white lights—excellent for tense late-night experiment scenes.

Circuit Lab (Day) | Whiteboard and Workbenches
A board filled with circuit diagrams and rows of desks—great for engineering research vibes.

Circuit Lab (Dusk) | Ongoing Work Space
Evening light signals the story moment when research hits its critical phase.

Circuit Lab (Night) | Unmanned Workroom
A lab with no trace of people—emphasizes focus or reflective moments.

Advanced Research Lab (Day) | Lab with Large-Scale Equipment
Equipped with high-end instruments—suited for cutting-edge technology scenes.

Advanced Research Lab (Evening) | Warmly Lit Laboratory
Dusk lighting on equipment expresses a calm, settled research period.

Advanced Research Lab (Night) | Heavy Night Lab
A dark space where you can almost imagine machine noise—fits serious, dramatic scenes.

Standard University Lab (Day) | Neat Experimental Environment
Organized desks and tools—an easy, versatile background for education and research settings.

University Lab (Dusk) | Quiet Campus Scene
Soft evening light creates a natural slice-of-life lab moment.

University Lab (Night) | A Lab with Lights Still On
Only part of the lighting remains on, conveying the mood of research continuing late into the night.

How to Use in copainter

Mass-produce variations with the AI Assistant
Download the images above and import them into copainter as reference images. You can optimize them for your work by changing the time of day (morning/evening/night), replacing the sky, and adding props.

Upscale to 4000 px or more with the Upscaling AI
Using the Upscaling AI, you can increase the resolution to a size suitable for most projects.
https://www.copainter.ai/ja/upscaling

Convert into manga-friendly backgrounds with the Inking AI
Load the image as a reference in the Inking AI to generate simplified lines that work well for manga backgrounds. Try selecting different pen touches to create a more original look.
https://www.copainter.ai/ja/inking

Change the aspect ratio with the AI Assistant
If you like an illustration but the aspect ratio makes it hard to use, you can ask the AI Assistant to adjust the aspect ratio for you.

Terms of Use (License)

• Eligible users: copainter subscribers
• Permitted use: Only for works created using copainter (commercial use allowed / free to use)
• Modifications: Allowed (cropping / redraws / color changes / vectorization, etc.)
• Credit: Not required
• Prohibited: Redistribution or sale of the assets themselves / claiming as your own / commercial use outside copainter
• Disclaimer: The provider assumes no responsibility for any damages or issues arising from the use of these materials.

FAQ

Q. I want higher-resolution materials.
A. Use copainter’s Upscaling AI. You can upscale up to 4× in both width and height, making it suitable for commercial use.

Q. Can I use these outside copainter?
A. If you are a copainter subscriber and use them for works created using copainter, commercial use is allowed and free of charge. Edits using external services are also fine as long as the purpose is to use them in works created with copainter. As long as copainter is used for some part of the production process, it is allowed.

Q. Can I use these in commercial projects?
A. Yes, if the work is produced using copainter, commercial use is allowed. You do not need to create the entire work solely with copainter. Redistribution or resale of the assets themselves is not permitted.

Q. Are there other free pose collections?
A. Yes. Please refer to the following:
https://blog.copainter.ai/tag/assets-en/

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