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How to Install Simple Floating Shelves
This light-duty floating shelf hangs mysteriously with no visible support.

Use Bluetooth to Control Your Light Switch from Your Smartphone
One big problem with smart light bulbs is that the smarts are in the bulb.

Measure Sunlight with a DIY Solar Radiometer
No batteries, no switches — this analog meter is powered by the sunshine it’s measuring.

Turn Beef Ribs into Traditional Rhythm Bones
Last night's barbecue could become your ticket to music stardom! Turn beef ribs into traditional rhythm bones in just three easy steps.

Print and assemble this working, large-scale model of a precision watch design.

Build an FPV-Style Quadcopter with a CNCed Frame
There's no better way to learn how a drone works than by building one yourself. The Little Dipper drone is a 300-class autonomous flying rig.

Convert Geological Info into a Custom Map for 3D Printing and Milling
You can download the files to CNC mill a map of this map of the United States, or, better yet, learn all the steps to do it yourself.

Build a Raspberry Pi-Powered Linux Laptop That Fits in Your Pocket
This simple Raspberry Pi-Powered Linux laptop uses off-the-shelf parts, can be hooked up to a TV or monitor, and it fits in your pocket.

Make a Fun, Diving Spudmarine
Based on a classic cereal box toy, this fun "spudmarine" uses a potato and baking powder to make a sub that dives and resurfaces in a pitcher of water.

Build a Small, Custom USB MIDI Foot Board with Arduino
If you're playing for an audience you don't want to spend your set looking at a screen. See how one musician made this MIDI foot board for performances.

Construct a Fun, Powerful Rubber Band Crossbow
This is one crossbow that is inexpensive to make and powerful to boot! You'll be shooting targets across the room in no time.

Keep It Down! Build Noise Insulation Panels for Your Shop or Studio
Noisy workshops can be a lot of fun! But maybe your family and neighbors would appreciate it if you used some noise insulation panels.