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OpenSCAD is a free and open source software that uses scripting to design 3D objects. [16] Many 3D printers can be upgraded with 3D-printed parts. Thingiverse users produce many improvements and modifications for a variety of platforms. Popular examples of community-based 3D printer projects include the RepRap project and the Contraptor project ...
A master link or quick-release link is a roller chain accessory that allows convenient connection and disconnection of a chain without the need for a chain tool. [1] It acts as a set of the chain's outer plates, so joining two sets of the chain's inner plate ends. Such master links may or may not be re-usable. [2] A chain tool is nonetheless ...
A typical chain tool. With a chain placed on the central sprocket, the screw is turned until a pin is pushed from the linkage. A chain tool is a small mechanical device used to "break" a bicycle chain in such a way that it can be mended with the same tool. A bicycle chain has links and plates that are pinned together; these pins can be pushed ...
It uses type slugs on a chain and is the first IBM printer to do so. In 1967 the IBM 1403 Model N1 is the first IBM printer to use a train rather than a chain. This change is made because it is not possible to achieve higher speeds using a chain. It is called a train as the print slugs move inside a machined track, resembling rail-road cars. [3]
Initially, two CAM tool chains were developed for RepRap. The first, called "RepRap Host", was written in Java by lead RepRap developer Adrian Bowyer. The second, "Skeinforge", [15] was written by Enrique Perez. Both are complete systems for translating 3D computer models into G-code, the machine language that commands the printer.
Soldering station with a helping hand. The clips are used to hold a light workpiece in place while the joints allow the user to change the position or angle. Sometimes helping hands are augmented with modules from the adjustable coolant hose systems used with machine tools. [3]
To dice an onion without a knife, you’ll need: 1 small resealable plastic bag. 1 large resealable plastic bag. Meat tenderizer. The first thing you’ll need to do is place your onion—whole ...
Pattern welding dates to the first millennium BC, with Celtic, and later Germanic swords exhibiting the technique, [5] with the Romans describing the blade patternation. [6] [7] By the 2nd and 3rd century AD, the Celts commonly used pattern welding for decoration in addition to structural reasons.