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Lake freighters, or lakers, are bulk carriers operating on the Great Lakes of North America. These vessels are traditionally called boats , although classified as ships . [ 1 ] [ 2 ] Freighters typically have a long, narrow hull, a raised pilothouse , and the engine located at the rear of the ship.
Thingiverse is one of the first websites [15] to allow customization of parametric designs made with OpenSCAD. 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.
The 3DBenchy is a 3D computer model specifically designed for testing the accuracy and capabilities of 3D printers. [1] The 3DBenchy is described by its creator, Creative Tools, as "the jolly 3D printing torture-test" and was released (initially only in STL format) in April 2015, with a multi-part, multi-color model released in July 2015.
Chuck Hull (Charles W. Hull; born May 12, 1939) is an American inventor who is the co-founder, executive vice president and chief technology officer of 3D Systems. [ 1 ] [ 2 ] He is one of the inventors of the SLA 3D printer , the first commercial rapid prototyping technology, and the widely used STL file format .
3D printing or additive manufacturing is the construction of a three-dimensional object from a CAD model or a digital 3D model. [1] [2] [3] It can be done in a variety of processes in which material is deposited, joined or solidified under computer control, [4] with the material being added together (such as plastics, liquids or powder grains being fused), typically layer by layer.
This design originated to increase cargo capacity and facilitate loading and unloading of lake freighters on the U.S./Canadian Great Lakes routes. [1] The current common meaning of "straight decker" upon the Great Lakes is a bulk/ore freighter which has not been equipped with self-unloading machinery .
SS Edward L. Ryerson is a steel-hulled American Great Lakes freighter that entered service in 1960. Built between April 1959 and January 1960 for the Inland Steel Company, she was the third of the thirteen so-called 730-class of lake freighters, each of which shared the unofficial title of "Queen of the Lakes", as a result of their record-breaking length.
MV Tim S. Dool is an Algoma Central-owned seawaymax lake freighter built in 1967, by the Saint John Shipbuilding and Dry Dock Co. in Saint John, New Brunswick.She initially entered service as Senneville when she sailed as part of the fleet of Mohawk Navigation Company.