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London Tower Bridge
A makeCNC original 3D puzzle
This is a Very Amazing Puzzle with some Finely detailed work in it!
This is another one of makeCNC's Wonderful Models!
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Ready to cut downloadable Patterns and Projects for your CNC Router, Milling Machine, Plasma Cutter or Laser Machine and Scroll Saw in both Imperial Inch format as well as Metric size for the Global CNC Hobbyist.
Files include a Full Color Assembly Manual Copyright makeCNC!
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London Tower Bridge
Tower Bridge, built 1886–1894, is a combined bascule and suspension bridge in
London which crosses the River Thames. It is close to the Tower of London, from
which it takes its name, and has become an iconic symbol of London.
The bridge consists of two bridge towers tied together at the upper level by means
of two horizontal walkways, designed to withstand the horizontal forces exerted by
the suspended sections of the bridge on the landward sides of the towers. The
vertical component of the forces in the suspended sections and the vertical
reactions of the two walkways are carried by the two robust towers. The bascule
pivots and operating machinery are housed in the base of each tower. The bridge's
present colour scheme dates from 1977, when it was painted red, white and blue for
Queen Elizabeth II's silver jubilee. Originally it was painted a mid greenish-blue
colour.
Construction started in 1887 and took eight years with five major contractors –
Sir John Jackson (foundations), Baron Armstrong (hydraulics), William Webster, Sir
H.H. Bartlett, and Sir William Arrol & Co. – and employed 432 construction
workers. E W Crutwell was the resident engineer for the construction.
Two massive piers, containing over 70,000 tons of concrete, were sunk into the
riverbed to support the construction. Over 11,000 tons of steel provided the
framework for the towers and walkways. This was then clad in Cornish granite and
Portland stone, both to protect the underlying steelwork and to give the bridge a
pleasing appearance.
The nearest London Underground tube stations are Tower Hill on the Circle and
District line, London Bridge and Bermondsey, and the nearest Docklands Light
Railway station is Tower Gateway.
In the second half of the 19th century, increased commercial development in the
East End of London led to a requirement for a new river crossing downstream of
London Bridge. A traditional fixed bridge could not be built because it would cut
off access by tall-masted ships to the port facilities in the Pool of London,
between London Bridge and the Tower of London.
The bridge was officially opened on 30 June 1894 by The Prince of Wales, the
future King Edward VII, and his wife, The Princess of Wales, Alexandra of Denmark.
The bridge connected Iron Gate, on the north bank of the river, with Horselydown
Lane, on the south – now known as Tower Bridge Approach and Tower Bridge Road,
respectively. Until the bridge was opened, the Tower Subway – 400 m to the west –
was the shortest way to cross the river from Tower Hill to Tooley Street in
Southwark. Opened in 1870, Tower Subway was among the world's earliest underground
('tube') railway, but closed after just three months and was re-opened as a
pedestrian foot tunnel. Once Tower Bridge was open, the majority of foot traffic
transferred to using the bridge, there being no toll to pay to use it. Having lost
most of its income, the tunnel was closed in 1898.
Tower Bridge is one of five London bridges now owned and maintained by the Bridge
House Estates, a charitable trust overseen by the City of London Corporation. It
is the only one of the Trust's bridges not to connect the City of London to the
Southwark bank, the northern landfall being in Tower Hamlets.
Collect your Wonderful makeCNC 3D Puzzle Project today! It's definately a Must!
Hello and thanks for shopping with Makecnc!
These 3d puzzles are a downloadable product that have been made ready to cut on any CNC router or CNC laser machine.
They are supplied as ready-to-cut DXF vector files for CNC routers and EPS for CNC lasers machines.
Patterns may be scaled to the size you require for your material thickness using our Scale Calculator
CNC Routers Users ! Please See our Tutorial for information on dealing with Inside Corners and Dogbone Fillets
Each Zip File Includes:
2 or 4 CDR Files - Sizes you receive Depend on individual Product - usually in 1-8 and 3 mm and/or 1-4 and 6 mm Versions (Corel Draw Format for Laser)
2 or 4 DXF's - Sizes you receive Depend on individual Product - usually in 1-8 and 3 mm and/or 1-4 and 6 mm Versions (For Most CAD Programs)
2 or 4 SVG - Sizes you receive Depend on individual Product - usually in 1-8 and 3 mm and/or 1-4 and 6 mm Versions (Opens in Many CAD & Drawing Programs)
Printable PDF Pattern (For Scroll Saw Use)
1 X Clear and Concise Color Assembly Manual.
1 X Number Guide DXF (Also called Coded DXF - NOT in all Products - Only in Certain Products)
1 x Readme File and Copyright Information
1 X Product Notes - Letting you know an Approximate Height, Length and Width of your finished product and giving the Approximate Size of the Largest Part. These Approximations are given in Imperial and Metric. Remember, These are Approximate Sizes.
Approximate Size at 3mm
L = 808
W = 163
H = 300
Approximate Size at 1/8 inch
L = 31.8
W = 6.4
H = 11.8
Approximate Size of Largest Part
4.7 X 10.7 inches
120 X 272 mm
Parts: 105
NOTE: Our 3D Puzzles can be built in different thicknesses.
Example: 1/8" uses 1/8" Plywood...1/4" uses 1/4" Plywood, etc.
As a rule, although the slots are set to fit the same sized tool, most
people will use a smaller bit size when cutting.
All the hard work is done!
Makecnc is excited to bring to the CNC hobbyist a new and ever-expanding library of art and projects made ready-to-cut on your CNC machine!
You can either sell the cut out projects as your own product or assemble them for your own enjoyment and to give as gifts to your family and friends.
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