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Cardboard Robot Hand
How to Make a Proximity Sensor
Wound Closing With Tape and Cable Ties (DIY Zipstitch)
Tootsie Roll Launcher and Candy Cannon
Aluminum Can Solar Heater
Easy Solar Oven
Baking Soda Powered V6 Engine
STEGObot: Stegosaurus Robot
Animatronic Arm for Kids
Water Powered Calculator (Original)
The CNC Bubble Iris: a Computer Controlled Giant Bubble Machine
Sorry for the extremely late reply! Turns out all the notification emails I had were going to spam, whoops :( Unfortunately, I don't remember what size sheet I used, it was just some free cardboard I grabbed from the space I was working in... but you can scale it up or down as you'd like to keep it to cost.
I'm so sorry, I just saw this! Unfortunately, I don't have the files anymore. But one thing you can try is using a free CAD software like OnShape, and then using the 3D Slicer to make the vector files.
THIS IS INCREDIBLE!!! I love that you made this without needing lots of high-tech machinery and materials!! Thank you so much for documenting and posting!
DIY Sphere Robot
DIY Life-Size Phone Controlled BB8 Droid
PVC Water Balloon Cannon
Air Powered Potato Cannon
Easy Pneumatic Potato Cannon. Fun and Powerful!
Torch Made From Coke Can and Cereal Box.
Paper Claw 2.0
Tennis Ball Launcher
Choosing the Resistor to Use With LEDs
Super Bright 9v LED Flashlight
Water Powered Flashlight
ChapStick LED Flashlight
LED Popsicle Flashlight
Powerful Slingshot Crossbow
Smash the Summer Heat With These DIY Water Weapons!
Kids Build - My First Robot Arm
Tennis Ball Shotgun Launcher Cannon Homemade
LEDs and Lighting Class
MAKING VALVELESS PULSE-JET ENGINE
How to Make a Tactile Feedback Compass Belt
Cheap Haptic Feedback Vest
Wearable Assistive Tech Gripper: Doraemon's Hand
e-NABLE Hand Spidey Sensors
Vibrating Distance Sensor
Black Ram Hand (Robotic/Prosthetic Hybrid)
Ultrasonic sonar for the blind and visually impaired
Micro paper robots (cyborg crab)
Baking Soda and Vinegar Cannon
Light sensing bristlebot
Making a Leather Briefcase/Messenger More Organized and CCW-friendly
Protopiper: physically sketching room-sized objects at actual scale
Leather music bag
Science Fair - Articulated Hand < $20
Simple Arduino and HC-SR04 Example
Homemade Churro Machine
Hydraulic robot made of cardboard and scotch duct tape.
Giant Computer-Controlled Robotic Arm Made of Old Cardboard Boxes
Build a Pneumatic Cylinder
2x4 Wave Coffee Table
Toy Train Advent Calendar
Pogo Stick from 2x4s
The Greatest Ring-Making Tutorial Online (Bent-Wood/Metal Hybrids)
Airscrew Driven RC Boat
Kids Solar Water Heater
Flashlight with no batteries
dynamo powered LEDs for bike
Pedal Powered Tennis Ball Launcher
Low-Cost, Arduino-Compatible Drawing Robot
Beginners Electronics Projects