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https://forms.moe.edu.sg/forms/vj7A96

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2026_Sec_3 DNTSTUDENTS_SUBMISSION

https://sgmoe-my.sharepoint.com/:f:/r/personal/nor_cahya_dasoki_schools_gov_sg/Documents/2026_Sec_3%20_DNT_STUDENTS_SUBMISSION?csf=1&web=1&e=byQ6Dj

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Gear

Generator

Gear CAD file: Download DXF Gear vector image: Download SVG Gearset vector image: Download Gearset SVG

Units

Gear Generator is unitless: if you wish it's inches, cm or millimeters. DXF opened in AutoCAD will have the same value for D/P as it is set above. Gears in SVG are measured in pixels, which is the value multiplied with the scale (Pixel per Unit) as it is displayed on the right side.

About

Gear Generator is a tool for creating involute spur gears and download them in DXF or SVG format. In addition it let you compose full gear layouts with connetcted gears to design multiple gears system with control of the input/output ratio and rotation speed. Gears can be animated with various speed to demonstrate working mechanism.

Why this tool was created? Just for fun. I'm working on a hobby project, a scale construction machine, which needed some spur gears, and I quickly made a simple spur gear creator script in Javascript with SVG output. As it was done, I couldn't stop, and I added more and more features, and finally I got this tool. It was a pleasure to code the whole thing, I'm a bit sad it is already done.

Support: abel@iparigrafika.hu

Notes about browser compatibility: all new major browsers are supported (i didn't tested IE), but unfortunately Chrome can't render SVG circle correctly. The winners are: Opera for the best performance (shame on me, I never use it) and Firefox for the best looking SVG render.

Update 1.5: Fixed DXF resolution issue. Maximum number of teeth increased to 400.

Update 1.4: TA-DA: Added internal gear support, and the ability of positioning the first gear.

Update 1.3: Fixed DXF file format.

On YouTube

Finally some videos I found on youtube:
Gear Generator How to Draw Perfect Gears (4:23)
Laser Cut Gears (3:08)
Prototype your gear sets in 2D (1:19)

Check out other tools I made:
Print Charts, Flip.World, HTML Spirograph.

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Involute spur gear generator and simulator

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Gear Generator is a tool for creating involute spur gears and download them in SVG format. In addition it let you compose full gear layouts with connetcted gears to design multiple gears system with control of the input/output ratio and rotation speed.

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Stop for a minute and try to imagine your world without electrical power and electronic gadgets. No convenient appliances in the kitchen, no electric lights. No computers, MP3 players, television, or video games. Your life would be completely different, wouldn't it? Electricity and electronics are so central to modern life that, paradoxically, they're easy to overlook.

Explore Our Science Videos

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Electricity & Electronics Science Projects

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Over 1,200 free science projects searchable by subject, difficulty, time, cost and materials. Browse the library or let us recommend a winning science project for you!

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The official Tamiya website, with listings for over 5,000 items including static and R/C models, Mini 4WD, paints and tools.

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What Are Simple Machines? | Types Of Simple Machines | The Dr Binocs Show | Peekaboo Kidz

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Simple Machines for Kids: Science and Engineering for Children - FreeSchool

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2026 Design and Make Project : Context at MY World

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Crank and Slider Mechanism using GeoGebra

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Crank and Slider Mechanism using GeoGebra

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Adjust rod and crankshaft lengths as well as rps (rotations per second) and observe the changes in piston position and speed.

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2026 Levers Linkages and Cams - Details - Kahoot!

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Create interactive quizzes, polls, presentations, and more to engage your audience.

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Parallel circuit

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Parallel and capacitor

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parallel

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series

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Parallel

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Series :)

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electronics beginner education learn electronics soldering simple projects

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Electronics Club - learn about electronics, how to solder and build simple projects

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‪Circuit Construction Kit: AC - Virtual Lab‬

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Circuit Construction Kit: AC - Virtual Lab is an interactive sim. It changes as you play with it. It has a Play Area and a Control Area.

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‪Circuit Construction Kit: DC - Virtual Lab‬

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Circuit Construction Kit: DC - Virtual Lab is an interactive sim. It changes as you play with it. It has a Play Area and a Control Area.

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1) Save this image

2) Upload inside Sketchbook App

3) Draw 3 different design

4) Choose the best design using PMI.

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1) Save this image

2) Upload inside Sketchbook App

3) Draw 3 different design

4) Choose the best design using PMI.

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Got an idea that could shape the future? Make it real with TKKYIA 2026!

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Kindly refer to the attached poster and “things to note” for more information.

⚠️ Non-Singaporean/PR participants are not eligible for cash prizes.