{"data":{"contests":[{"id":"468","slug":"smart-pet-gadgets-with-arduino","name":"Smart Pet Gadgets with Arduino","teaserImageFilePath":"media/competition/teaser_images/468/small_banner_arduino_with_logo.jpg","description":"

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The contest runs from February 27 to April 27, 2025

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Challenge

\r\nEver looked at your pet and thought, \"You deserve something awesome\"? Well, now\u2019s your chance to fix that! Design a tech-powered gadget for your furry (or non-furry) friend using Arduino and 3D printing. Think automated playmates, high-tech trackers, smart aquariums, or remote-controlled feeders. Whether it\u2019s a self-fetching ball launcher, a next-level scratching post, or a fish tank that runs itself\u2014you know what your pet needs.\r\n
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\r\nNever used Arduino before? No worries! Arduino is a small, programmable board that can control lights, motors, or sensors, and it\u2019s the perfect way to add some tech magic to your project.\r\n
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Project Template

\r\nGrab our template and see all the info we\u2019d love to see in your submission:\r\nPrintable_Arduino_Project_Template.pdf\r\n
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Inspiration

\r\nCheck out the official Arduino Printables account for more ideas:\r\n
\r\nArduino on Printables\r\n
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All the Specs

\r\nNeed datasheets or documentation for the Arduino products you\u2019ll be working with? We\u2019ve got you covered:\r\n
\r\nArduino Documentation\r\n
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Exclusive Discount for Contest Participants

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We\u2019ve got a little bonus to help bring your ideas to life! \r\n
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\r\nUse the code PRINTABLES25 to get 15% off Arduino Boards & Modules.

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Valid from Feb 27 to Apr 27, 2025
One use per customer
Shop here: Arduino Boards & Modules

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What makes a valid entry?

\r\nYour project must use both Arduino and 3D printing, and it should include a clear description, photos, and all necessary files described in the Project Template.\r\n\r\nPlease avoid dangerous designs - keep it safe and fun!\r\n

\r\n\r\n","isOpen":true,"openFrom":"2025-02-27T00:00:00+00:00","openTo":"2025-04-27T23:59:00+00:00","modelsCount":60,"winnerPrize":"

\r\n1st Place (1 Winner):\r\n

Original Prusa MK4S Kit
GIGA Display bundle
Arduino Cloud UNO R4 WIFI Maker Bundle (one year Cloud Maker Plan)
Arduino swags: Arduino t-shirts, tote bags and more

\r\n2nd Place (2 Winners):\r\n

Arduino Plug and Make Kit or Alvik (Winner\u2019s choice)
Arduino swags: Arduino t-shirts, tote bags and more

\r\n3rd Place (4 Winners):\r\n

Arduino Nano ESP32\u00a0
Arduino swags: Arduino t-shirts, tote bags and more

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\r\n\r\n","entryLink":"","winnersLink":"","printDateValidation":"2024-08-01T00:00:00+00:00","signedModelsCount":null,"maxModelsPerUser":3,"__typename":"CompetitionType"},{"id":"472","slug":"beads","name":"Beads","teaserImageFilePath":"media/competition/teaser_images/None/small_banner_beads.jpg","description":"This round\u2019s theme is tiny but mighty \u2014 this flash contest is all about beads! Design a 3D-printable collection of beads that are not just pretty but also fun to use and satisfying to print. Your beads can decorate shoelaces or hoodie strings, snap into hair as little clips, or become part of a beaded curtain. Maybe you\u2019ll create sewing-friendly beads or design chunky, easy-to-thread pieces perfect for kids learning fine motor skills while making their own jewelry. You can take inspiration from geometry, nature, or even give your beads cute little Mickey Mouse ears \u2014 it\u2019s up to you! They should print easily, be comfortable to work with, and look great once finished.","isOpen":true,"openFrom":"2025-03-21T09:35:22+00:00","openTo":"2025-04-06T23:59:00+00:00","modelsCount":908,"winnerPrize":"500 Prusameters which are more than enough for one Prusament spool. The winner will also receive the Printables honorary badge, and up to 900 Prusameters will be distributed among other top entries.","entryLink":"https://blog.prusa3d.com/introducing-flash-contests_61600/","winnersLink":"","printDateValidation":"2025-03-06T00:00:00+00:00","signedModelsCount":null,"maxModelsPerUser":5,"__typename":"CompetitionType"}]}}

LED Diffuser Smaller Sizes

Model files

light_diffuser_v2_7in.stl

light_diffuser_v2_7in.stl

light_diffuser_v2_5in.stl

light_diffuser_v2_5in.stl

Model origin

LED Diffuser for Lack Enclosure

License