Test Tube Sprout black outline icon
Test tube with a two-leaf plant sprout growing from it inside a circle
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About the Test Tube Sprout black outline icon
A slim test tube with a rounded base and a lipped rim holds a thin stem that rises above it and opens into two pointed leaves, one on each side. The pairing of glassware and new growth signals plant science and controlled experimentation. Fits biotechnology and agritech company sites, biology course materials, seed and crop research reports, lab service pages, and sustainability dashboards.
The tube is drawn with a light, even stroke and the leaves are simple teardrops set at mirrored angles, which keeps the top half from feeling heavy inside its circular frame. It pairs with microscope, flask and seedling icons here. Use at 32 px or larger so the leaves stay separate.
This is the black outline version of the test tube sprout icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
