CNC mdf mold and solder casting(or how I pimped my ride)

Taking advantage of the low melting point of lead free solder I was able to create a simple mold out of mdf with my cnc machine. Lead free solder as well as pewter has a high tin content which melts at around 220 degrees Celsius.This makes it ideal for mdf mold making.It also allows more […]

Adam Savage Explains How Simple Ideas Lead to Scientific Discoveries #makereducation

Adam Savage champions the imaginative pursuit of simple ideas in this lesson from TedEd. Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed — Eratosthenes’ calculation of the Earth’s circumference around 200 BC and Hippolyte Fizeau’s measurement of the speed of light in […]

DIY Planetary Gearbox for Nema17 Stepper motor

I wanted to build a small and light gearbox for a stepper motor (used as excuse: for building a light extruder for a 3D printer – didn’t trust the bowden setup, and the scavenged driver might not have enough torque for a direct drive – real cause: playing around with the lasercutter :-)I decided to […]

DIY AA Batteries!

An AA battery (also called "double A") is a standard size cylindrical battery commonly used in portable electronic devices. The exact terminal voltage and capacity of an AA size battery depends on the cell chemistry but are usually rated at or near 1.5 volts. AA batteries account for over 50% of…By: Blaborcom Continue Reading » […]