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**在影片中找到 9,226 個「chalk pattern」的結果**

Animated abstract square frame with scribble pattern, hand drawn white chalk scribble frame Alpha channel

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abstract retro vintage chalk board texture smooth paper pattern scratches gritty grunge background with smooth seamless animation

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colorful scribble chalk crayon etch lines on black background, drawing overlay animation, particle lines

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Animation of mathematical equation and diagrams over blackboard

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white chalk powder explosion on black background, back to school concept of education

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Animated background of lines and hand-drawn pencil drawings, dynamic black-and-white looping background drawn with chalk on a blackboard, header background, 4k

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4k video of pencil scribbles textures in different directions, 6 images for each direction

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Intelligent stylish teacher wearing eyeglasses writes math formulas with chalk on green chalkboard in university or school classroom. Education and studying concept

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School subjects formulas and drawings - made with chalk over black blackboard. Camera flight through formulas.

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School Math Equations on Chalkboard Flyby Loop

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Hand Drawn Grunge Chalk Scribble Transition. hand drawn abstract animated transitions with sketch, doodle, brush, and distortion effects. 4K resolution for video overlays and motion graphics.

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Animation with mathematical formulas on a white background. Video with accurate calculations. Stock footage for overlays, presentations, effects.

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Animated Grunge Chalk Loop Texture, Looping white rough chalk scribble surface on a black background material.

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High angle view of blonde female dressmaker outlining paper pattern on fabric with chalk while working in sewing workshop

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Camera flies through math formulas on background. Math calculations functions equations. Matrix made up of formulas. Abstract cognitive process concept. Seamless loop. Greenscreen chromakey

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Vibrant colored chalk sticks are neatly arranged in a rainbow pattern on a dark background.

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Back to school in chalk doodle style on blackboard. Animation of a school poster with hand drawn accessories and copy space. Looped.

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Math formulas loop

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formula written on blackboard with chalk

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Teacher Writing Math Formula on Board During Lesson. The Teacher Asks the Question to the Class, the Pupil Rises Hands. Schoolgirl Answers the Question of the Teacher

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back to school pattern animation with white school supplies icons on chalk board.

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Young African American seamstress unrolling fabric on worktable, applying paper sewing pattern and outlining it with chalk while working in atelier

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Abstract textured black and white background with rough white chalk strokes and dark grainy

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Math and Science Blackboard Scribbling

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Animation of the texture of white graphic strokes with chalk on a black screen. Hand drawn effect for whiteboard presentation and shape animation. 4k pencil strokes with alpha channel.

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Green Screen White Powder Circle Fractures and Bursts to Dust

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A dark chalkboard surface with faint chalk smudges.

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Hand drawn physics formula background animation, electric and electronic basic formulas flying through 3D space from a blackboard, concepts, ideas, 4k

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Chemical formulas on blue background. Science concept.

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loopable back to school animation

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Pencil or chalk streaks on white and black background set, charcoal grunge scribble drawing texture background animation for backdrop or overlay HD

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Blocks of abstract mathematical formulas are written and moved in the virtual space. The camera flies through the mathematical formulas. looped

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Colorful blue chalk creates a striking pattern on a dark surface during a creative art session in a bright, engaging classroom

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Close-up hand of the artist who draws with chalk sketch on plywood

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Scattered doodle pattern depicts school supplies on pink background. Suitable for educational materials, stationery products, desktop wallpapers, digital backgrounds.

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Close up of a seamstress hands marking a sewing pattern on black fabric with tailor's chalk

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School icons drawn by hand with chalk on a green board. Looped animated decorative frame with space for text.

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Over shoulder view of young woman seamstress preparing pattern for clothes, drawing it on fabric with chalk

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Mathematical formulas transparent Screen Overlay. Seamless Loop Background Scientific math educational concept. Math, Animated Equations VFX, 4K Chroma Key Formulas, Physics Overlay, Motion

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Mature man physicist writing formulas on blackboard with chalk indoors at school busy with solving scientific problem. Science, occupation and education concept.

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Green screen footage of mathematical formulas. Scientific and educational concept. Science. Chroma key background. Green screen, stock footage

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Young girl drawing colorful chalk art on cobblestone

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Wide frame with a pencil by hand on a black background, background for advertising, white hatching lines, black background

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Creative mathematician writing formulas on the chalkboard

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Fibonacci Sequence Number With Math For Your Projects. Mathematic Calculations Or Formulas

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Chalk Drawings and Hand-Painted Tiles

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Close up of hands of unrecognizable professional seamstress copying paper garment pattern on black fabric drawing straight precise line in white chalk towards camera garment

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brush stroke black and white transition background. hand drawn brush stroke animation.suitable for abstract background for presentations and ads. alpha channel only 4k.

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Chemical formulas on green background. Science concept.

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view on white chalk cliffs through forest at rügen

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Pencil or chalk streaks on black background and green screen set, charcoal grunge scribble drawing texture background animation for backdrop or overlay HD

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Professional tailor chalking sewing pattern onto fabric before cutting a piece in a dressmaking workshop. Tilt-up shot

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Loop motion video of abstract pattern background with dominant purple and yellow colors

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An abstract black background heavily textured with numerous swirling white and gray scratch marks or chalk lines, forming a chaotic yet dynamic pattern.

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White retro chalk frame, animation, transparent background

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Scratch black background overlay / abstract black dark background, broken cracks and scratches for overlay adding vintage grit and aged pattern.

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Seamless Educational Pattern Background With Abstract Doodles And Icons On Deep Purple Canvas For Visual Design

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green chalkboard with chalk

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Chalk streaks on blackboard, Grunge drawing texture background animation.Pencil or chalk streaks on white and black background.Video 4k resolution

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Animated formulas and school supplies drawn on a blackboard: physics, chemistry, geometry. Science background with floating school supplies drawn with chalk.

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Math equations Background Greenscreen effect Chromakey. Math and physics formulas. Seamless loop. Camera flies through mathematics equations. Calculations and Mathematical analysis. Cognitive process.

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Colorful rainbow artwork created with vibrant pigments on textured background. Rainbow design features bright colors arranged in swirling pattern for artistic expression and creativity.

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blackboard background footage with handwritten math elements, numbers and formulas Moving forward with zoom effect

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Equation think calculate remember formula showing up to front overlay solution solve handwritten text lecture graphic abstract lesson symbol white screen.

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abstract retro vintage chalk board texture smooth paper pattern scratches gritty grunge background with smooth seamless animation

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A silhouette of a human head with AI inscribed, surrounded by intricate white chalk patterns on a blackboard, symbolizing neural networks and artificial intelligence complexity.

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Chalkboard filled with complex mathematical equations, diagrams, and graphs for study.

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black and white chalk

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Hand-drawn white oval circle on a solid black background, minimalist design element.

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Dark grunge background animation featuring realistic chalk scratches, fine white veins, and subtle dust particles on black slate surface. Atmospheric texture for vintage title sequences, cinematic ove

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Animation of mathematical and physics formulas, background illustration of scientific formulas with a camera moving forward.

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Science doodle frame education school learning abstract background physics chemistry math atoms suitable for educational content, online learning platforms, or back to school promotions.

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Doodles education. Hand drawn pattern background back to school with icon symbols. Animated colored icons on white. Loop motion graphic.

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Draw fireworks with chalk in doodle style. Transparent background.

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Skilled woman seamstress drawing pattern marking fabric for clothes sewing use chalk and ruler

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math formula on blackboard

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Blackboard filled with chalk scribbles and diagrams. Close-up reveals hastily written notes, mathematical symbols, and sketched concepts. Dusty surface adds authentic classroom atmosphere.

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Animation of mathematical equations, formulas and diagrams against green chalkboard background

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Animation of changing math problems and formulas on a white screen. Effect of arithmetic calculation in 4K with alpha channel.

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Background with white pencil lines on black, hand-drawn doodles, chalk shading on a blackboard, fast frame change, background for advertising, looped, 4k

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A video showcasing various mathematical equations and symbols written on a blackboard in a classroom setting

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Math and physics formulae pass through the screen and fall away. Animation of maths equations. Fast movement of plexus formulas. Science, technology Genetics biology, biotechnology, chemistry, science

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hearts chalk doodle border frame alpha channel animation, valentines day love romantic isolated motion design element

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Equation think calculate remember formula showing up to front overlay solution solve handwritten text lecture graphic abstract lesson symbol Green screen.

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Hand drawing geometric shapes and patterns on a chalkboard with chalk

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Element of black slate stone texture background

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Textured Brushstroke on Canvas Backgrounds: Loop Animation Paint and Sketch Wiggles

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Tailor drawing pattern with chalk and ruler on black fabric Indian workshop 4k video footage.

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Abstract background with a cream and white geometric pattern resembling cracked earth or a mosaic

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Dark grunge background animation featuring realistic chalk scratches, fine white veins, and subtle dust particles on black slate surface. Atmospheric texture for vintage title sequences, cinematic ove

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Young male tailor marking lines on blue fabric with sewing pattern and chalk at worktable in in dressmaking studio

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Clouds and waves seamless scroll turbulent animation. Sea tile pattern of digital painting in impressionism style

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A set of colored pencil on green chalkboard background. Chalkboard with set of colored pencil. Back to school. Empty animated frame with space for text. Looped.

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White retro chalk frame, animation, transparent background

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A person stands in front of a chalkboard covered in complex mathematical equations, seemingly lost in thought

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backdrop, background of abstract brush stroke texture pattern generating time lapse on digital painting illustration with color palette of dark black

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Science Calculation Physics Math and Chemisrty Formulas Background

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Woman placing chalk and writing equations on board for education, sunburst backing addition column

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A cartoon animation of drawing black strokes with a pencil on a black screen. A hand painted texture for a 4K overlay with an alpha channel. Stock 4K video with art space to add text.

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