Extruder for 3D printer
Bowden extruder for a 3D printer with minimal gaps and no extra parts. An eccentric is provided for compressing the spring and releasing the filament rod. Filament replacement with one hand, fixation of the Teflon tube directly on the housing.
The cheapest Chinese extruder served as a donor for a homemade extruder.Download STL + SLDPRT
The 3D model of the fan is very simple, easily wound on a collet clamp. I put it on my CNC machine. The first launch proved to be very good, all the chips are scattered to the sides, clean under the cutter.
I need a tachometer to calculate some mechanisms. For example, to calculate the speed of a robot vacuum cleaner, you need to know the rotation speed of the electric motor and, based on this, calculate the gear ratio of the gearbox.
This small turntable is needed when you need to photograph something or shoot a video in 360 degrees. For the assembly you will need an old CD-drive, a couple of pieces of plywood, a box for batteries, a switch, wires and other trifles.
This thermometer hung outside the window for several years, due to temperature changes the plastic mount literally crumbled into small pieces in hands. Repairing a thermometer with a 3D printer cost ten minutes of modeling and a few grams of plastic.
For my daughter, I printed a little Wally made of plastic, she is crazy about this toy, especially since dad made a toy.