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    SmartDesigner-

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    Master Cat’s Case Files

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    Item preview, Master Cat on Stakeout – Coffee in Paw, Cigar at the Ready designed and sold by SmartDesigner-.
    Master Cat on Stakeout – Coffee in Paw, Cigar at the Ready Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Master Cat Stands Guard Under the Moonlight – Winter Mystery Begins designed and sold by SmartDesigner-.
    Master Cat Stands Guard Under the Moonlight – Winter Mystery Begins Sticker
    $2.46
    $2.74 (10% off)
    Item preview, New Year Countdown Cat Detective – Time & Winter Fantasy Art designed and sold by SmartDesigner-.
    New Year Countdown Cat Detective – Time & Winter Fantasy Art Active T-Shirt
    $19.81
    $26.42 (25% off)
    Item preview, “Cozy Winter Doorway Cat Detective – Magical Snow Scene” designed and sold by SmartDesigner-.
    “Cozy Winter Doorway Cat Detective – Magical Snow Scene” Boxy T-Shirt
    $20.54
    $29.34 (30% off)
    Item preview, Cat Detective Decorating Christmas Tree designed and sold by SmartDesigner-.
    Cat Detective Decorating Christmas Tree Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Christmas Market Detective Cat – Magical Winter Artwork designed and sold by SmartDesigner-.
    Christmas Market Detective Cat – Magical Winter Artwork Active T-Shirt
    $19.81
    $26.42 (25% off)
    Item preview, Holiday Celebration Cat Detective – Winter Festive Art designed and sold by SmartDesigner-.
    Holiday Celebration Cat Detective – Winter Festive Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Winter Night Investigator Cat – Festive New Year Scene designed and sold by SmartDesigner-.
    Winter Night Investigator Cat – Festive New Year Scene Classic T-Shirt
    $14.69
    $20.99 (30% off)

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    2 collections

    Master Cat’s Case Files

    The Quiet Hour

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    71 items
    71 items
    Item preview, Master Cat on Stakeout – Coffee in Paw, Cigar at the Ready designed and sold by SmartDesigner-.
    Master Cat on Stakeout – Coffee in Paw, Cigar at the Ready Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Je T’aime — Romantic Floral Design for Paris Lovers & Soulmates designed and sold by SmartDesigner-.
    Je T’aime — Romantic Floral Design for Paris Lovers & Soulmates Poster
    $13.30
    $16.62 (20% off)
    Item preview, QUIET FIRE – Inner Strength Word Art designed and sold by SmartDesigner-.
    QUIET FIRE – Inner Strength Word Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Grumpy Cat Face in Santa Hat | Funny Holiday Illustration | Perfect for Stickers & Phone Cases designed and sold by SmartDesigner-.
    Grumpy Cat Face in Santa Hat | Funny Holiday Illustration | Perfect for Stickers & Phone Cases Pin
    $2.86
    $3.37 (15% off)
    Item preview, Master Cat Arrests the Thief – Handcuffs Ready! designed and sold by SmartDesigner-.
    Master Cat Arrests the Thief – Handcuffs Ready! Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Master Cat’s Victory Lounge – Orange Juice & Cool Vibes! designed and sold by SmartDesigner-.
    Master Cat’s Victory Lounge – Orange Juice & Cool Vibes! Poster
    $13.30
    $16.62 (20% off)
    Item preview, ICE MODE – Focus & Clarity Word Art designed and sold by SmartDesigner-.
    ICE MODE – Focus & Clarity Word Art Essential T-Shirt
    $15.39
    $21.99 (30% off)
    Item preview, 2026 IS MINE — Bold New Year Design for Ambitious Souls designed and sold by SmartDesigner-.
    2026 IS MINE — Bold New Year Design for Ambitious Souls Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Master Cat Analyzes Clues – Deep in His Case File! designed and sold by SmartDesigner-.
    Master Cat Analyzes Clues – Deep in His Case File! Samsung Galaxy Soft Case
    $18.90
    $25.20 (25% off)
    Item preview, Grumpy Ginger Cat in Santa Hat | Funny Holiday Illustration | Cat Lover Gift for T-Shirts & Mugs designed and sold by SmartDesigner-.
    Grumpy Ginger Cat in Santa Hat | Funny Holiday Illustration | Cat Lover Gift for T-Shirts & Mugs Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, I Don’t Need Coffee… I Need a Nap (And Maybe Coffee) — For the Tired Soul Who’s Still Standing designed and sold by SmartDesigner-.
    I Don’t Need Coffee… I Need a Nap (And Maybe Coffee) — For the Tired Soul Who’s Still Standing Classic T-Shirt
    $15.39
    $21.99 (30% off)
    Item preview, RISE. REST. – Balanced Living Word Art designed and sold by SmartDesigner-.
    RISE. REST. – Balanced Living Word Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Grumpy Cat Christmas | Meowy Grinchmas | Funny Holiday Cat T-Shirt & Mug Design designed and sold by SmartDesigner-.
    Grumpy Cat Christmas | Meowy Grinchmas | Funny Holiday Cat T-Shirt & Mug Design Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Master Cat in Action – Running to Solve the Case! designed and sold by SmartDesigner-.
    Master Cat in Action – Running to Solve the Case! Baseball Cap
    $18.47
    $23.09 (20% off)
    Item preview, ENOUGH. NOW. – Self-Worth Affirmation Art designed and sold by SmartDesigner-.
    ENOUGH. NOW. – Self-Worth Affirmation Art Classic T-Shirt
    $15.39
    $21.99 (30% off)
    Item preview, YOUR CALM IS POWER – Quiet Strength Word Art designed and sold by SmartDesigner-.
    YOUR CALM IS POWER – Quiet Strength Word Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Master Cat Investigates – Magnifying Glass & Notebook Ready! designed and sold by SmartDesigner-.
    Master Cat Investigates – Magnifying Glass & Notebook Ready! Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Sage Cat Reading Nook – Books, Light & Quiet Joy designed and sold by SmartDesigner-.
    Sage Cat Reading Nook – Books, Light & Quiet Joy Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Sage Cat Chocolate Bliss – Sweet Self-Care Is Valid designed and sold by SmartDesigner-.
    Sage Cat Chocolate Bliss – Sweet Self-Care Is Valid Photographic Print
    $6.15
    $7.69 (20% off)
    Item preview, TODAY IS ENOUGH – Mindful Living Affirmation designed and sold by SmartDesigner-.
    TODAY IS ENOUGH – Mindful Living Affirmation Art Print
    $18.51
    $23.14 (20% off)
    Item preview, I Love My Life — Not Because It’s Perfect, But Because It’s Mine designed and sold by SmartDesigner-.
    I Love My Life — Not Because It’s Perfect, But Because It’s Mine Poster
    $13.30
    $16.62 (20% off)
    Item preview, I Miss Summer — Coconut Drink Vibes for When You Need a Mental Escape ?☀️ designed and sold by SmartDesigner-.
    I Miss Summer — Coconut Drink Vibes for When You Need a Mental Escape ?☀️ Premium Oversized Hoodie
    $37.95
    $63.25 (40% off)
    Item preview, PEACE IN MY POCKET – Poetic Calm Word Art designed and sold by SmartDesigner-.
    PEACE IN MY POCKET – Poetic Calm Word Art Glossy Sticker
    $2.63
    $2.93 (10% off)
    Item preview, Evil Tree — Dark Surreal Horror Art for the Brave Souls designed and sold by SmartDesigner-.
    Evil Tree — Dark Surreal Horror Art for the Brave Souls Spiral Notebook
    $11.86
    $13.95 (15% off)
    Item preview, SMALL JOYS MATTER – Gentle Happiness Word Art designed and sold by SmartDesigner-.
    SMALL JOYS MATTER – Gentle Happiness Word Art Premium T-Shirt
    $21.48
    $30.69 (30% off)
    Item preview, Master Cat Detective Reading Newspaper – Latest Heist in Town! designed and sold by SmartDesigner-.
    Master Cat Detective Reading Newspaper – Latest Heist in Town! Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Stay Real — Bold Red Typography Design for Streetwear & Minimalist Lovers designed and sold by SmartDesigner-.
    Stay Real — Bold Red Typography Design for Streetwear & Minimalist Lovers Classic T-Shirt
    $15.39
    $21.99 (30% off)
    Item preview, Main Character Energy Shirt – Funny Sarcastic Movie Lover Tee – Vintage Camcorder Design for Women & Men designed and sold by SmartDesigner-.
    Main Character Energy Shirt – Funny Sarcastic Movie Lover Tee – Vintage Camcorder Design for Women & Men Classic T-Shirt
    $15.39
    $21.99 (30% off)
    Item preview, Coffee First” — Our Ginger Cat Knows: The World Can Wait… But Your Coffee Can’t. ☕? designed and sold by SmartDesigner-.
    Coffee First” — Our Ginger Cat Knows: The World Can Wait… But Your Coffee Can’t. ☕? Sticker
    $2.46
    $2.74 (10% off)
    Item preview, PROGRESS NOT PERFECTION – Anti-Perfectionism Word Art designed and sold by SmartDesigner-.
    PROGRESS NOT PERFECTION – Anti-Perfectionism Word Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, YOU ARE ENOUGH – Self-Worth Affirmation Art designed and sold by SmartDesigner-.
    YOU ARE ENOUGH – Self-Worth Affirmation Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, PATIENCE. POWER. – Inner Strength Word Art designed and sold by SmartDesigner-.
    PATIENCE. POWER. – Inner Strength Word Art Extra Soft T-Shirt
    $19.82
    $28.31 (30% off)
    Item preview, Vibe Check Passed ✅ | Coffee Powered Human designed and sold by SmartDesigner-.
    Vibe Check Passed ✅ | Coffee Powered Human iPhone Soft Case
    $22.00
    $29.34 (25% off)
    Item preview, Master Cat at His Desk – Writing the Final Report! designed and sold by SmartDesigner-.
    Master Cat at His Desk – Writing the Final Report! Spiral Notebook
    $11.86
    $13.95 (15% off)
    Item preview, I Am the Legend of My Life — Not the Side Character, Not the Backup Plan. The Hero. designed and sold by SmartDesigner-.
    I Am the Legend of My Life — Not the Side Character, Not the Backup Plan. The Hero. Classic T-Shirt
    $15.39
    $21.99 (30% off)
    Item preview, Hello Kitty? No, Hello Ginger! ? Adorable Orange Cat Waving for Your T-Shirt, Mug & More! designed and sold by SmartDesigner-.
    Hello Kitty? No, Hello Ginger! ? Adorable Orange Cat Waving for Your T-Shirt, Mug & More! Samsung Galaxy Soft Case
    $18.90
    $25.20 (25% off)
    Item preview, Sage Cat Headphones On – Soundtrack to Stillness designed and sold by SmartDesigner-.
    Sage Cat Headphones On – Soundtrack to Stillness Essential T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Winter Night Investigator Cat – Festive New Year Scene designed and sold by SmartDesigner-.
    Winter Night Investigator Cat – Festive New Year Scene Pin
    $2.86
    $3.37 (15% off)
    Item preview, New Year Fireworks Cat Detective – Cinematic Winter Artwork designed and sold by SmartDesigner-.
    New Year Fireworks Cat Detective – Cinematic Winter Artwork Oversized T-Shirt
    $19.25
    $27.50 (30% off)
    Item preview, BE GENTLE: The Adorable Ginger Cat Who’s Asking for a Little Kindness ? | Perfect for T-Shirts, Mugs & Stickers! designed and sold by SmartDesigner-.
    BE GENTLE: The Adorable Ginger Cat Who’s Asking for a Little Kindness ? | Perfect for T-Shirts, Mugs & Stickers! Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Cinematic Time-Traveler Cat in Snow – Fantasy Adventure Artwork designed and sold by SmartDesigner-.
    Cinematic Time-Traveler Cat in Snow – Fantasy Adventure Artwork Sticker
    $2.46
    $2.74 (10% off)
    Item preview, OVER IT: The Exhausted Ginger Cat Who’s Done With Everything ? | Perfect for T-Shirts, Mugs & More! designed and sold by SmartDesigner-.
    OVER IT: The Exhausted Ginger Cat Who’s Done With Everything ? | Perfect for T-Shirts, Mugs & More! Art Print
    $18.51
    $23.14 (20% off)
    Item preview, MOOD – Sad Ginger Cat Vibes ? | Cute Depressed Cat Art for Stickers, Tees & Gifts designed and sold by SmartDesigner-.
    MOOD – Sad Ginger Cat Vibes ? | Cute Depressed Cat Art for Stickers, Tees & Gifts Essential T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Cat Detective Decorating Christmas Tree designed and sold by SmartDesigner-.
    Cat Detective Decorating Christmas Tree Greeting Card
    $2.88
    $3.39 (15% off)
    Item preview, Sage Cat Garden Pause – Nature’s Quiet Gift designed and sold by SmartDesigner-.
    Sage Cat Garden Pause – Nature’s Quiet Gift Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Meowy Christmas Cute Cat | Funny Santa Cat Holiday Gift Design designed and sold by SmartDesigner-.
    Meowy Christmas Cute Cat | Funny Santa Cat Holiday Gift Design Relaxed Fit T-Shirt
    $18.40
    $24.53 (25% off)
    Item preview, Master Cat Detective on Vintage Motorcycle – Sleuth in Motion! designed and sold by SmartDesigner-.
    Master Cat Detective on Vintage Motorcycle – Sleuth in Motion! All Over Print Tote Bag
    $19.79
    $23.29 (15% off)
    Item preview, Master Cat Stands Guard Under the Moonlight – Winter Mystery Begins designed and sold by SmartDesigner-.
    Master Cat Stands Guard Under the Moonlight – Winter Mystery Begins Greeting Card
    $2.88
    $3.39 (15% off)
    Item preview, Unstoppable in 2026 — Bold Motivational New Year Design for Ambitious Souls designed and sold by SmartDesigner-.
    Unstoppable in 2026 — Bold Motivational New Year Design for Ambitious Souls Extra Soft T-Shirt
    $19.82
    $28.31 (30% off)
    Item preview, HELLO 2026 — Festive New Year Design for Holiday Vibes & Fresh Starts designed and sold by SmartDesigner-.
    HELLO 2026 — Festive New Year Design for Holiday Vibes & Fresh Starts Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Sage Cat Tea Ceremony – Warmth in Every Sip designed and sold by SmartDesigner-.
    Sage Cat Tea Ceremony – Warmth in Every Sip Essential T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Sage Cat Nap Rebellion – Sleep Is Sacred designed and sold by SmartDesigner-.
    Sage Cat Nap Rebellion – Sleep Is Sacred Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Master Cat Walks Through the Snowy Forest – Seeking New Horizons designed and sold by SmartDesigner-.
    Master Cat Walks Through the Snowy Forest – Seeking New Horizons Vintage Wash T-Shirt
    $17.31
    $23.09 (25% off)
    Item preview, New Year Countdown Cat Detective – Time & Winter Fantasy Art designed and sold by SmartDesigner-.
    New Year Countdown Cat Detective – Time & Winter Fantasy Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Be Soft — The Gentle Cat That Steals Hearts & Sells Like Crazy! designed and sold by SmartDesigner-.
    Be Soft — The Gentle Cat That Steals Hearts & Sells Like Crazy! Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, “Cozy Winter Doorway Cat Detective – Magical Snow Scene” designed and sold by SmartDesigner-.
    “Cozy Winter Doorway Cat Detective – Magical Snow Scene” Photographic Print
    $6.15
    $7.69 (20% off)
    Item preview, LIGHT STILL FINDS YOU – Hopeful Affirmation Art designed and sold by SmartDesigner-.
    LIGHT STILL FINDS YOU – Hopeful Affirmation Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, STILL STRONG – Minimalist Word Art designed and sold by SmartDesigner-.
    STILL STRONG – Minimalist Word Art Premium T-Shirt
    $21.48
    $30.69 (30% off)
    Item preview, Sage Cat Final Pause – Today Was Enough designed and sold by SmartDesigner-.
    Sage Cat Final Pause – Today Was Enough Classic T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, Sage Cat Sunset Rocker – Where Time Stands Still designed and sold by SmartDesigner-.
    Sage Cat Sunset Rocker – Where Time Stands Still Mouse Pad
    $15.12
    $20.16 (25% off)
    Item preview, Sage Cat Movie Night – Cozy Is the New Cool designed and sold by SmartDesigner-.
    Sage Cat Movie Night – Cozy Is the New Cool Poster
    $13.30
    $16.62 (20% off)
    Item preview, Sage Cat Yoga Moment – Calm Is Your Superpower designed and sold by SmartDesigner-.
    Sage Cat Yoga Moment – Calm Is Your Superpower Classic Mug
    $13.85
    $17.31 (20% off)
    Item preview, Master Cat Draws Symbols in the Snow – Solving the Puzzle designed and sold by SmartDesigner-.
    Master Cat Draws Symbols in the Snow – Solving the Puzzle iPhone Soft Case
    $22.00
    $29.34 (25% off)
    Item preview, Cool Cat Detective – Master Cat in Trench Coat & Sunglasses designed and sold by SmartDesigner-.
    Cool Cat Detective – Master Cat in Trench Coat & Sunglasses Transparent Sticker
    $2.88
    $3.20 (10% off)
    Item preview, “Je T’aime Even in November Rain — Gothic Love Design for Dark Romance Lovers” designed and sold by SmartDesigner-.
    “Je T’aime Even in November Rain — Gothic Love Design for Dark Romance Lovers” Premium Oversized Hoodie
    $37.95
    $63.25 (40% off)
    Item preview, Christmas Market Detective Cat – Magical Winter Artwork designed and sold by SmartDesigner-.
    Christmas Market Detective Cat – Magical Winter Artwork Essential T-Shirt
    $14.69
    $20.99 (30% off)
    Item preview, PARIS Je T’aime — Romantic Red Eiffel Tower Design designed and sold by SmartDesigner-.
    PARIS Je T’aime — Romantic Red Eiffel Tower Design Premium Oversized Hoodie
    $37.95
    $63.25 (40% off)
    Item preview, NOPE: The Sassy Ginger Cat Who Says “No” For You ? | Perfect for T-Shirts, Mugs & More! designed and sold by SmartDesigner-.
    NOPE: The Sassy Ginger Cat Who Says “No” For You ? | Perfect for T-Shirts, Mugs & More! V-Neck T-Shirt
    $20.25
    $26.99 (25% off)
    Item preview, Holiday Celebration Cat Detective – Winter Festive Art designed and sold by SmartDesigner-.
    Holiday Celebration Cat Detective – Winter Festive Art Sticker
    $2.46
    $2.74 (10% off)
    Item preview, Cute Santa Cat Christmas Art | Ginger Kitty Holiday Gift designed and sold by SmartDesigner-.
    Cute Santa Cat Christmas Art | Ginger Kitty Holiday Gift Spiral Notebook
    $11.86
    $13.95 (15% off)
    Item preview, I'M DONE: The Sad Ginger Cat That Speaks For You When Words Fail ? | Perfect for T-Shirts, Mugs & More! designed and sold by SmartDesigner-.
    I'M DONE: The Sad Ginger Cat That Speaks For You When Words Fail ? | Perfect for T-Shirts, Mugs & More! Mouse Pad
    $15.12
    $20.16 (25% off)
    About SmartDesigner-
    • Damietta, Egypt
    • 72 designs
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    Followers
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    A visual thinker crafting quiet, intentional designs — where geometry meets meaning, and every line has a purpose. All artwork is original, people-free, and made for those who value subtlety over noise. Printed on demand, shipped worldwide.
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